{"id":901,"date":"2026-05-19T03:51:38","date_gmt":"2026-05-19T03:51:38","guid":{"rendered":"https:\/\/isbm-blow-molding.com\/?p=901"},"modified":"2026-05-19T03:51:38","modified_gmt":"2026-05-19T03:51:38","slug":"isbm-neck-finish-engineering-thread-tamper-evidence-korean-guide","status":"publish","type":"post","link":"https:\/\/isbm-blow-molding.com\/fr\/isbm-neck-finish-engineering-thread-tamper-evidence-korean-guide\/","title":{"rendered":"ISBM Neck Finish Engineering : Guide des bouteilles cor\u00e9ennes"},"content":{"rendered":"<div style=\"margin: 0; padding: 0; font-family: 'Helvetica Neue',Arial,sans-serif; color: #1f2937; line-height: 1.78; background: #fff;\">\n<p><!-- HERO: deep bordeaux \/ precision dimensional --><\/p>\n<header style=\"position: relative; min-height: min(570px,84vh); display: flex; align-items: center; padding: clamp(36px,5.5vw,72px) clamp(16px,4vw,48px); background-color: #0c0204; background-image: linear-gradient(148deg,rgba(10,2,4,0.98) 0%,rgba(40,6,14,0.92) 55%,rgba(159,18,57,0.34) 100%),url('https:\/\/isbm-blow-molding.com\/wp-content\/uploads\/2026\/02\/injection-stretch-blow-moulding-application-3.webp'); background-size: cover; background-position: center;\">\n<div style=\"max-width: 700px;\">\n<p style=\"font-size: 10px; font-weight: bold; letter-spacing: 2px; text-transform: uppercase; color: #fecdd3; margin: 0 0 14px;\">Analyse technique approfondie \u00b7 Finition du manche \u00b7 ISBM cor\u00e9en 2026<\/p>\n<h1 style=\"font-size: clamp(22px,4vw,38px); font-weight: 900; color: #fff; line-height: 1.2; margin: 0 0 18px;\">Ing\u00e9nierie de finition du manche ISBM\u00a0:<br \/>\nGuide des bouteilles cor\u00e9ennes<\/h1>\n<p style=\"font-size: clamp(14px,1.9vw,17px); color: #ffe4e6; line-height: 1.65; margin: 0 0 24px; max-width: 580px;\">La finition du col est la seule zone de la bouteille ISBM qui ne subit jamais d'\u00e9tirement\u00a0; inject\u00e9e aux dimensions finales, elle doit garantir une pr\u00e9cision absolue au niveau du bouchon, de l'inviolabilit\u00e9 et de l'\u00e9tanch\u00e9it\u00e9 lors de la distribution. Chaque \u00e9cart de 0,05\u00a0mm du diam\u00e8tre ext\u00e9rieur du col a des cons\u00e9quences importantes au niveau du bouchon\u00a0: un couple de serrage d\u00e9fectueux, une fuite d'\u00e9tanch\u00e9it\u00e9 et une r\u00e9clamation du consommateur. La conception cor\u00e9enne de la finition du col des bouteilles ISBM d\u00e9finit les tol\u00e9rances, les mat\u00e9riaux et les protocoles d'inspection qui font du col non \u00e9tir\u00e9 la zone la plus pr\u00e9cise dimensionnellement d'une production ISBM cor\u00e9enne.<\/p>\n<div style=\"display: flex; flex-wrap: wrap; gap: 8px;\"><span style=\"background: rgba(255,255,255,0.09); border: 1px solid rgba(255,255,255,0.2); color: #ffe4e6; font-size: 12px; font-weight: 600; padding: 5px 13px; border-radius: 14px;\">PCO 1881 \u00b10,10 mm OD<\/span><br \/>\n<span style=\"background: rgba(255,255,255,0.09); border: 1px solid rgba(255,255,255,0.2); color: #ffe4e6; font-size: 12px; font-weight: 600; padding: 5px 13px; border-radius: 14px;\">GPI 28\/410 Cosm\u00e9tique \u00b10,04 mm<\/span><br \/>\n<span style=\"background: rgba(255,255,255,0.09); border: 1px solid rgba(255,255,255,0.2); color: #ffe4e6; font-size: 12px; font-weight: 600; padding: 5px 13px; border-radius: 14px;\">CRC cor\u00e9en \u00b10,03 mm<\/span><\/div>\n<p style=\"font-size: 11px; color: #f43f5e; margin: 22px 0 0;\">\n<\/div>\n<\/header>\n<p>&nbsp;<\/p>\n<p><!-- NECK FINISH REFERENCE TABLE --><\/p>\n<div style=\"background: #fff1f2; border: 1px solid #fecdd3; border-radius: 10px; padding: clamp(18px,3vw,26px); margin: 40px 0;\">\n<p style=\"font-size: 11px; font-weight: bold; color: #881337; text-transform: uppercase; letter-spacing: 1.8px; margin: 0 0 14px;\">Norme de finition de manche ISBM cor\u00e9enne de r\u00e9f\u00e9rence \u2014 2026<\/p>\n<div style=\"overflow-x: auto;\">\n<table style=\"width: 100%; border-collapse: collapse; font-size: 12.5px; min-width: 580px;\">\n<thead>\n<tr style=\"background: #881337;\">\n<th style=\"color: #fff; padding: 8px 11px; text-align: left; font-weight: 600;\">Standard de cou<\/th>\n<th style=\"color: #fff; padding: 8px 11px; text-align: center; font-weight: 600;\">Diam\u00e8tre ext\u00e9rieur (mm)<\/th>\n<th style=\"color: #fff; padding: 8px 11px; text-align: center; font-weight: 600;\">Tol\u00e9rance OD<\/th>\n<th style=\"color: #fff; padding: 8px 11px; text-align: center; font-weight: 600;\">Fil<\/th>\n<th style=\"color: #fff; padding: 8px 11px; text-align: left; font-weight: 600;\">Application cor\u00e9enne<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; font-weight: 600; color: #881337;\">PCO 1881<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; text-align: center;\">27.43<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; text-align: center;\">\u00b10,10 mm<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; text-align: center;\">2 \u00e9toiles<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3;\">Eau plate cor\u00e9enne, boisson, CSD, jus press\u00e9 \u00e0 froid HPP<\/td>\n<\/tr>\n<tr style=\"background: #fff1f2;\">\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; font-weight: 600; color: #881337;\">PCO 1810 (h\u00e9ritage)<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; text-align: center;\">28.58<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; text-align: center;\">\u00b10,10 mm<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; text-align: center;\">2 \u00e9toiles<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3;\">Les anciennes gammes de boissons gazeuses cor\u00e9ennes sont encore pr\u00e9sentes sur certains march\u00e9s cor\u00e9ens.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; font-weight: 600; color: #881337;\">GPI 28\/410<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; text-align: center;\">27.43<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; text-align: center; font-weight: bold; color: #881337;\">\u00b10,04 mm<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; text-align: center;\">3 \u00e9toiles<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3;\">PETG cor\u00e9en K-Beauty, pompe de soins personnels cor\u00e9enne, d\u00e9sinfectant pour les mains cor\u00e9en<\/td>\n<\/tr>\n<tr style=\"background: #fff1f2;\">\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; font-weight: 600; color: #881337;\">GPI 24\/410<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; text-align: center;\">24.08<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; text-align: center; font-weight: bold; color: #881337;\">\u00b10,04 mm<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; text-align: center;\">3 \u00e9toiles<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3;\">Pompe \u00e0 toner cor\u00e9enne, pompe \u00e0 gel hydroalcoolique cor\u00e9enne, pompe \u00e0 spray d'ambiance cor\u00e9enne<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; font-weight: 600; color: #881337;\">CRC P&amp;T 28 mm<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; text-align: center;\">27.43<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; text-align: center; font-weight: bold; color: #881337;\">\u00b10,03 mm<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3; text-align: center;\">CRC sp\u00e9cial<\/td>\n<td style=\"padding: 8px 11px; border-bottom: 1px solid #fecdd3;\">Solution buvable CRC pharmaceutique cor\u00e9enne, pr\u00e9paration pour nourrissons cor\u00e9enne<\/td>\n<\/tr>\n<tr style=\"background: #fff1f2;\">\n<td style=\"padding: 8px 11px; font-weight: 600; color: #881337;\">Ouverture large 63 mm+<\/td>\n<td style=\"padding: 8px 11px; text-align: center;\">63\u2013100<\/td>\n<td style=\"padding: 8px 11px; text-align: center;\">\u00b10,10 mm<\/td>\n<td style=\"padding: 8px 11px; text-align: center;\">GPI \u00e0 large ouverture<\/td>\n<td style=\"padding: 8px 11px;\">Pot de compl\u00e9ment alimentaire cor\u00e9en, pot de lait infantile cor\u00e9en, pot de kimchi cor\u00e9en<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p><!-- TOC --><\/p>\n<nav style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(200px,1fr)); gap: 6px; margin: 0 0 36px; padding: 18px; background: #fff1f2; border-radius: 8px; border: 1px solid #fecdd3;\"><a style=\"color: #881337; text-decoration: none; font-size: 14px; padding: 4px 0;\" href=\"#s1\">1. Pourquoi la finition du manche est la zone la plus critique en termes de dimensions<\/a><br \/>\n<a style=\"color: #881337; text-decoration: none; font-size: 14px; padding: 4px 0;\" href=\"#s2\">2. Norme cor\u00e9enne PCO 1881\u00a0: Ing\u00e9nierie des goulots de bouteilles<\/a><br \/>\n<a style=\"color: #881337; text-decoration: none; font-size: 14px; padding: 4px 0;\" href=\"#s3\">3. GPI 28\/410 et 24\/410\u00a0: Ing\u00e9nierie cor\u00e9enne des soins personnels du cou<\/a><br \/>\n<a style=\"color: #881337; text-decoration: none; font-size: 14px; padding: 4px 0;\" href=\"#s4\">4. Conception d'un bracelet inviolable pour l'ISBM cor\u00e9en<\/a><br \/>\n<a style=\"color: #881337; text-decoration: none; font-size: 14px; padding: 4px 0;\" href=\"#s5\">5. Mat\u00e9riau de l'insert de col : Acier s\u00e9lectionn\u00e9 pour les applications cor\u00e9ennes<\/a><br \/>\n<a style=\"color: #881337; text-decoration: none; font-size: 14px; padding: 4px 0;\" href=\"#s6\">6. D\u00e9fauts de finition du manche des ISBM cor\u00e9ens et leurs causes profondes<\/a><br \/>\n<a style=\"color: #881337; text-decoration: none; font-size: 14px; padding: 4px 0;\" href=\"#s7\">7. Mesure de la finition du manche et protocole de contr\u00f4le qualit\u00e9 cor\u00e9en<\/a><br \/>\n<a style=\"color: #881337; text-decoration: none; font-size: 14px; padding: 4px 0;\" href=\"#s8\">8. Profils de col cor\u00e9ens sp\u00e9ciaux\u00a0: Joint d\u2019\u00e9tanch\u00e9it\u00e9 par induction, Dropper, CRC<\/a><br \/>\n<a style=\"color: #881337; text-decoration: none; font-size: 14px; padding: 4px 0;\" href=\"#faq\">FAQ<\/a><\/nav>\n<p><!-- S1 --><\/p>\n<h2 id=\"s1\" style=\"font-size: clamp(19px,2.8vw,25px); font-weight: 800; color: #881337; padding-bottom: 8px; border-bottom: 2px solid #e11d48; margin: 0 0 18px;\">1. Pourquoi la finition du manche est la zone la plus critique en termes de dimensions<\/h2>\n<p style=\"font-size: 16px; margin-bottom: 14px;\">In Korean ISBM production, the bottle body undergoes biaxial orientation that reduces dimensional variation \u2014 the stretch-blow process is self-correcting in the body zone, where material flows to fill the mould cavity under pressure. The neck finish, however, is not stretched or blown \u2014 it is formed entirely by injection moulding in the injection station, before the conditioning and blowing phases. This means the neck finish dimensions are set entirely by the injection mould&#8217;s neck insert geometry and the injection process conditions, with no self-correcting blow pressure to compensate for injection variation.<\/p>\n<p style=\"font-size: 16px; margin-bottom: 0;\">The downstream consequence of neck finish variation is magnified by closure mechanics: a \u00b10.10mm neck OD variation on a PCO 1881 water bottle creates approximately \u00b18% variation in closure application torque \u2014 acceptable for Korean commodity water. A \u00b10.04mm variation on a Korean GPI 28\/410 cosmetic pump neck creates \u00b115% variation in pump head engagement force \u2014 producing audible play in the pump head and occasional pump head tilt on Korean K-Beauty toner bottles that fails Korean brand incoming inspection. A \u00b10.03mm variation on a Korean CRC neck creates \u00b122% variation in child-resistance ratchet engagement force \u2014 potentially causing CRC performance test failure (the 85% child resistance rate falling below the Korean KFDA requirement). Every Korean ISBM application tier has a distinct neck OD tolerance that reflects its closure&#8217;s sensitivity to dimensional variation, and every Korean ISBM neck insert must be designed, manufactured, and maintained to that tolerance. The preform design geometry that establishes the neck zone wall distribution before the neck insert forms it is in the <a style=\"color: #e11d48; font-weight: 600; text-decoration: none;\" href=\"https:\/\/isbm-blow-molding.com\/fr\/understanding-preform-design-the-foundation-of-bottle-quality\/\">Guide de conception des pr\u00e9formes ISBM<\/a>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-323\" src=\"https:\/\/isbm-blow-molding.com\/wp-content\/uploads\/2026\/02\/injection-stretch-blow-moulding-application-4.webp\" alt=\"application de moulage par injection-\u00e9tirage-soufflage-4\" width=\"2011\" height=\"1186\" srcset=\"https:\/\/isbm-blow-molding.com\/wp-content\/uploads\/2026\/02\/injection-stretch-blow-moulding-application-4.webp 2011w, https:\/\/isbm-blow-molding.com\/wp-content\/uploads\/2026\/02\/injection-stretch-blow-moulding-application-4-1280x755.webp 1280w, https:\/\/isbm-blow-molding.com\/wp-content\/uploads\/2026\/02\/injection-stretch-blow-moulding-application-4-980x578.webp 980w, https:\/\/isbm-blow-molding.com\/wp-content\/uploads\/2026\/02\/injection-stretch-blow-moulding-application-4-480x283.webp 480w\" sizes=\"auto, (min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 2011px, 100vw\" \/><\/p>\n<p><!-- S2 PCO 1881 --><\/p>\n<h2 id=\"s2\" style=\"font-size: clamp(19px,2.8vw,25px); font-weight: 800; color: #881337; padding-bottom: 8px; border-bottom: 2px solid #e11d48; margin: 52px 0 18px;\">2. Norme cor\u00e9enne PCO 1881\u00a0: Ing\u00e9nierie des goulots de bouteilles<\/h2>\n<figure style=\"margin: 0 0 20px;\"><img decoding=\"async\" style=\"width: 100%; height: auto; border-radius: 8px; display: block;\" src=\"https:\/\/isbm-blow-molding.com\/wp-content\/uploads\/2026\/02\/injection-stretch-blow-moulding-process-1.webp\" alt=\"Korean ISBM PCO 1881 neck finish dimensional profile \u2014 neck OD 27.43mm \u00b10.10mm, thread start position, T-dimension (thread height), E-dimension (outer thread profile), L-dimension (neck length from support ring to top), and tamper band geometry for Korean still water and beverage ISBM bottle production\" \/><figcaption style=\"font-size: 12px; color: #6b7280; margin-top: 8px; text-align: center;\">Profil dimensionnel de finition du col selon la norme cor\u00e9enne ISBM PCO 1881\u00a0\u2014 La norme PCO 1881 d\u00e9finit 11 dimensions critiques (T, E, L, H, S, I, N, M, F, G et pas de filetage) qui, ensemble, d\u00e9terminent l\u2019ajustement du bouchon. L\u2019outillage d\u2019insertion du col selon la norme cor\u00e9enne ISBM doit reproduire ces 11 dimensions dans la plage de tol\u00e9rance de la norme PCO 1881\u00a0\u2014 g\u00e9n\u00e9ralement \u00b10,10\u00a0mm sur les dimensions critiques du diam\u00e8tre ext\u00e9rieur pour la production de boissons cor\u00e9ennes, la dimension T (hauteur du filetage) \u00e9tant maintenue \u00e0 \u00b10,05\u00a0mm pour un couple de fermeture constant dans toutes les cavit\u00e9s.<\/figcaption><\/figure>\n<p style=\"font-size: 16px; margin-bottom: 14px;\">La norme PCO 1881 (Polyethylene Cap and Closure Opening 1881) est la norme cor\u00e9enne ISBM dominante pour les goulots de bouteilles et de bouteilles. Elle est utilis\u00e9e pour l'eau plate, les boissons gazeuses, les eaux p\u00e9tillantes, les jus HPP et la plupart des boissons cor\u00e9ennes utilisant un bouchon \u00e0 vis standard de 28 mm. D\u00e9velopp\u00e9e par l'International Society of Beverage Technologists (ISBT), la norme PCO 1881 offre une alternative plus l\u00e9g\u00e8re \u00e0 la norme pr\u00e9c\u00e9dente, r\u00e9duisant le poids du goulot d'environ 121 g tout en conservant des performances de fermeture \u00e9quivalentes.<\/p>\n<p style=\"font-size: 16px; margin-bottom: 14px;\">Korean ISBM PCO 1881 neck engineering critical parameters: (1) E-dimension (external thread OD) = 27.43mm nominal, \u00b10.10mm Korean beverage standard tolerance; (2) T-dimension (thread height above pitch line) = 0.97mm nominal, \u00b10.05mm \u2014 determines the radial interference fit between the bottle thread and the closure&#8217;s skirt thread; (3) L-dimension (neck length from support ring to sealing surface) = 17.0mm nominal, \u00b10.30mm \u2014 determines the closure&#8217;s vertical travel from application to engaged position; (4) Support ring OD = 30.48mm nominal \u2014 the flange that supports the bottle on the filling line neck-handling equipment. Korean ISBM beverage bottle quality auditors check E-dimension at all four quadrants (0\u00b0, 90\u00b0, 180\u00b0, 270\u00b0) of each cavity \u2014 a non-round neck finish (ovality above 0.15mm diameter difference between orthogonal measurements) indicates neck insert wear or uneven cooling and is a standard Korean beverage brand incoming inspection rejection criterion.<\/p>\n<p style=\"font-size: 16px; margin-bottom: 0;\">La science de l'orientation mol\u00e9culaire qui explique pourquoi la zone du col (qui ne re\u00e7oit aucune orientation de choc) est m\u00e9caniquement plus faible que la zone du corps \u2014 et pourquoi les marques de boissons cor\u00e9ennes sp\u00e9cifient des \u00e9paisseurs minimales de paroi du col en plus des tol\u00e9rances de diam\u00e8tre ext\u00e9rieur \u2014 se trouve dans <a style=\"color: #e11d48; font-weight: 600; text-decoration: none;\" href=\"https:\/\/isbm-blow-molding.com\/fr\/application\/biaxial-molecular-orientation-the-science-behind-pet-bottle-strength\/\">guide d'orientation mol\u00e9culaire biaxiale<\/a>.<\/p>\n<p><!-- S3 GPI 28\/410 AND 24\/410 --><\/p>\n<h2 id=\"s3\" style=\"font-size: clamp(19px,2.8vw,25px); font-weight: 800; color: #881337; padding-bottom: 8px; border-bottom: 2px solid #e11d48; margin: 52px 0 18px;\">3. GPI 28\/410 et 24\/410\u00a0: Ing\u00e9nierie cor\u00e9enne des soins personnels du cou<\/h2>\n<figure style=\"margin: 0 0 20px;\"><img decoding=\"async\" style=\"width: 100%; height: auto; border-radius: 8px; display: block;\" src=\"https:\/\/isbm-blow-molding.com\/wp-content\/uploads\/2026\/04\/15ml-ISBM-Mold-detail-1.webp\" alt=\"Korean ISBM GPI 28\/410 and 24\/410 neck insert precision \u2014 2316 stainless steel diamond-lapped neck insert for K-Beauty PETG toner pump and hand sanitizer pump neck finish at \u00b10.04mm OD tolerance, showing thread start position, thread depth, and seating surface flatness\" \/><figcaption style=\"font-size: 12px; color: #6b7280; margin-top: 8px; text-align: center;\">Korean ISBM GPI 28\/410 precision neck insert \u2014 2316 stainless steel (corrosion-resistant for PETG processing environment), diamond-lapped to Ra \u2264 0.05\u03bcm, achieving \u00b10.04mm OD tolerance across all cavities. The 3-start thread profile (three independent thread helices starting 120\u00b0 apart) provides faster closure application (1\/3 turn to engage versus PCO 1881&#8217;s full turn) and more consistent closure removal torque \u2014 important for Korean K-Beauty consumer experience where pump head replacement must be effortless.<\/figcaption><\/figure>\n<p style=\"font-size: 16px; margin-bottom: 14px;\">GPI (Glass Packaging Institute) neck standards \u2014 used extensively in Korean personal care ISBM \u2014 define the 28\/410 and 24\/410 neck profiles where the first number is the nominal OD in millimetres and the second is the thread depth code. Korean ISBM GPI 28\/410 and 24\/410 necks are used for pump dispensers, flip caps, and lotion caps across Korean K-Beauty PETG, personal care, hand sanitizer, and room spray applications. The critical difference from PCO 1881: GPI 28\/410 uses a 3-start thread (three helices beginning 120\u00b0 apart around the neck circumference) versus PCO 1881&#8217;s 2-start thread. The 3-start thread provides approximately 1\/3-turn engagement versus PCO 1881&#8217;s 1\/2-turn, enabling faster pump head application on Korean filling lines.<\/p>\n<p style=\"font-size: 16px; margin-bottom: 0;\">Sp\u00e9cifications de tol\u00e9rance du col selon la norme cor\u00e9enne ISBM GPI 28\/410, par application\u00a0: Produits de soins personnels cor\u00e9ens (shampoing, apr\u00e8s-shampoing, lotion \u2013 diam\u00e8tre ext\u00e9rieur de la pompe\u00a0: 24\u00a0mm)\u00a0: \u00b10,05\u00a0mm \u2013 tol\u00e9rance GPI standard, acceptable pour la plupart des pompes distributrices de produits de soins personnels cor\u00e9ens avec des constantes de ressort standard\u00a0; Pompe \u00e0 toner PETG pour cosm\u00e9tiques cor\u00e9ens (diam\u00e8tre ext\u00e9rieur de la pompe\u00a0: 24\u00a0mm, toner \u00e0 faible viscosit\u00e9)\u00a0: \u00b10,04\u00a0mm \u2013 tol\u00e9rance plus faible que pour les produits courants afin d\u2019\u00e9viter l\u2019inclinaison de la t\u00eate de pompe\u00a0; Pompe pour gel hydroalcoolique compatible avec l\u2019\u00e9thanol (24\/410, joint en silicone)\u00a0: \u00b10,04\u00a0mm pour une compression constante du joint en silicone\u00a0; Pompes pharmaceutiques cor\u00e9ennes CRC (m\u00e9canisme P&amp;T 28\/410)\u00a0: \u00b10,03\u00a0mm \u2013 la sp\u00e9cification ISBM cor\u00e9enne la plus stricte pour le diam\u00e8tre ext\u00e9rieur du col. La conception du canal chaud, qui d\u00e9termine l\u2019uniformit\u00e9 du remplissage par injection au niveau du col (condition pr\u00e9alable pour obtenir un diam\u00e8tre ext\u00e9rieur du col de \u00b10,04\u00a0mm sur toutes les cavit\u00e9s), est int\u00e9gr\u00e9e au syst\u00e8me. <a style=\"color: #e11d48; font-weight: 600; text-decoration: none;\" href=\"https:\/\/isbm-blow-molding.com\/fr\/hot-runner-systems-in-isbm-moulds-engineering-principles-and-selection\/\">Guide des syst\u00e8mes ISBM cor\u00e9ens \u00e0 canaux chauds<\/a>.<\/p>\n<p><!-- S4 TAMPER EVIDENCE --><\/p>\n<h2 id=\"s4\" style=\"font-size: clamp(19px,2.8vw,25px); font-weight: 800; color: #881337; padding-bottom: 8px; border-bottom: 2px solid #e11d48; margin: 52px 0 18px;\">4. Conception d'une bande de s\u00e9curit\u00e9 pour les bouteilles ISBM cor\u00e9ennes<\/h2>\n<p style=\"font-size: 16px; margin-bottom: 14px;\">Tamper evidence on Korean ISBM bottles is achieved through two mechanisms: the closure&#8217;s tamper-evident band (a ratcheted ring on the closure skirt that engages the bottle&#8217;s transfer bead or ratchet ring below the support ring), and the induction foil seal (a heat-bonded aluminium foil seal over the bottle neck seating surface that is destroyed upon first opening). Korean ISBM bottle neck engineering for tamper-evident closure compatibility focuses on the transfer bead \u2014 the raised circumferential bead on the bottle neck below the support ring that the closure&#8217;s tamper-evident band ratchet teeth engage during application.<\/p>\n<p style=\"font-size: 16px; margin-bottom: 14px;\">Conception des bourrelets de transfert ISBM cor\u00e9ens\u00a0: (1) Diam\u00e8tre ext\u00e9rieur du bourrelet de transfert g\u00e9n\u00e9ralement sup\u00e9rieur de 3 \u00e0 5\u00a0mm \u00e0 celui du filetage, assurant ainsi la r\u00e9sistance m\u00e9canique n\u00e9cessaire au cliquet de la bague d\u2019inviolabilit\u00e9 lors du d\u00e9vissage initial. Un bourrelet trop petit emp\u00eache un engagement fiable de la bague d\u2019inviolabilit\u00e9, tandis qu\u2019un bourrelet trop grand exige une force excessive lors de son application, risquant de fissurer la jupe du bouchon. (2) Hauteur du bourrelet de transfert au-dessus de la tige du col\u00a0: 0,5 \u00e0 1,2\u00a0mm. En dessous de 0,4\u00a0mm, le cliquet ne peut pas s\u2019enclencher correctement\u00a0; au-dessus de 1,5\u00a0mm, la bague s\u2019\u00e9tire excessivement lors de l\u2019application, laissant des traces de blanchiment visibles sur le bouchon. (3) Rayon du bourrelet de transfert au bord inf\u00e9rieur\u00a0: 0,3 \u00e0 0,6\u00a0mm. Un bord inf\u00e9rieur trop vif cr\u00e9e une concentration de contraintes dans la bague d\u2019inviolabilit\u00e9, provoquant une rupture pr\u00e9matur\u00e9e sur les lignes de remplissage cor\u00e9ennes lors de l\u2019application du couple. Les fabricants cor\u00e9ens d'ISBM qui rencontrent des probl\u00e8mes de fissuration de la bande d'inviolabilit\u00e9 lors de la mise en place de lignes de remplissage de boissons cor\u00e9ennes doivent d'abord mesurer le rayon inf\u00e9rieur du cordon de transfert\u00a0; un rayon inf\u00e9rieur \u00e0 0,25\u00a0mm (d\u00fb \u00e0 l'usure de l'insert du col) est la cause la plus fr\u00e9quente de fissuration de la bande d'inviolabilit\u00e9 des ISBM cor\u00e9ens sur les lignes de remplissage de boissons cor\u00e9ennes.<\/p>\n<p style=\"font-size: 16px; margin-bottom: 0;\">Les d\u00e9fauts de finition du col des machines ISBM cor\u00e9ennes \u2014 notamment la fissuration de l'anneau de la bague d'inviolabilit\u00e9 au niveau du cordon de transfert, la non-s\u00e9paration de la bague d'inviolabilit\u00e9 lors de la premi\u00e8re ouverture et le filetage crois\u00e9 \u2014 et leur diagnostic pr\u00e9cis des causes profondes sont trait\u00e9s dans le <a style=\"color: #e11d48; font-weight: 600; text-decoration: none;\" href=\"https:\/\/isbm-blow-molding.com\/fr\/15-common-isbm-bottle-defects-and-how-to-fix-them-2026-field-guide\/\">Guide de terrain des d\u00e9fauts des bouteilles ISBM cor\u00e9ennes<\/a>.<\/p>\n<p><!-- S5 NECK INSERT MATERIAL --><\/p>\n<h2 id=\"s5\" style=\"font-size: clamp(19px,2.8vw,25px); font-weight: 800; color: #881337; padding-bottom: 8px; border-bottom: 2px solid #e11d48; margin: 52px 0 18px;\">5. Mat\u00e9riau de l'insert de col : Acier s\u00e9lectionn\u00e9 pour les applications ISBM cor\u00e9ennes<\/h2>\n<figure style=\"margin: 0 0 20px;\"><img decoding=\"async\" style=\"width: 100%; height: auto; border-radius: 8px; display: block;\" src=\"https:\/\/isbm-blow-molding.com\/wp-content\/uploads\/2026\/02\/Injection-Stretch-Blow-Moulding-Machine-HGY200-V4.webp\" alt=\"Korean Ever-Power HGY200-V4 ISBM precision platform \u2014 P20 neck inserts for Korean PCO 1881 beverage production at \u00b10.10mm OD tolerance and 2316 stainless steel diamond-lapped neck inserts for Korean GPI 28\/410 K-Beauty cosmetic and pharmaceutical applications at \u00b10.03\u20130.04mm OD tolerance\" \/><figcaption style=\"font-size: 12px; color: #6b7280; margin-top: 8px; text-align: center;\">Acier inoxydable cor\u00e9en Ever-Power HGY200-V4 avec s\u00e9lection d'acier d'insert de col sp\u00e9cifique \u00e0 l'application\u00a0: P20 pr\u00e9-tremp\u00e9 (30\u201336 HRC) pour la production de cols de bouteilles de boissons cor\u00e9ens PCO 1881 de diam\u00e8tre ext\u00e9rieur \u00b10,10\u00a0mm \u00e0 dur\u00e9e de vie standard\u00a0; acier inoxydable martensitique 2316 (32\u201336 HRC, r\u00e9sistant \u00e0 la corrosion) pour les cols cosm\u00e9tiques cor\u00e9ens GPI 28\/410 K-Beauty de diam\u00e8tre ext\u00e9rieur \u00b10,04\u00a0mm\u00a0; acier \u00e0 outils pour travail \u00e0 chaud H13 (48\u201352 HRC) pour les inserts de col cor\u00e9ens CRC de diam\u00e8tre ext\u00e9rieur \u00b10,03\u00a0mm lorsque la plus grande stabilit\u00e9 dimensionnelle sous pression d'injection est requise.<\/figcaption><\/figure>\n<p style=\"font-size: 16px; margin-bottom: 14px;\">Le choix de l'acier pour les plaquettes de collet ISBM cor\u00e9ennes d\u00e9termine \u00e0 la fois la pr\u00e9cision dimensionnelle atteignable et la dur\u00e9e de vie en production avant d\u00e9rive dimensionnelle. Trois nuances d'acier sont utilis\u00e9es pour les plaquettes de collet ISBM cor\u00e9ennes.<\/p>\n<div style=\"display: flex; flex-direction: column; gap: 8px; margin: 14px 0 18px;\">\n<div style=\"background: #fff1f2; border-radius: 6px; padding: 12px 16px; border-left: 3px solid #e11d48;\">\n<p style=\"font-size: 14px; font-weight: bold; color: #881337; margin: 0 0 4px;\">Acier pr\u00e9-tremp\u00e9 P20 (30\u201336 HRC) \u2014 Norme cor\u00e9enne pour les boissons PCO<\/p>\n<p style=\"font-size: 14px; color: #374151; margin: 0; line-height: 1.65;\">P20 is the standard Korean ISBM neck insert steel for PCO 1881 and PCO 1810 beverage applications. At \u00b10.10mm PCO OD tolerance, P20&#8217;s hardness provides adequate dimensional stability for typical Korean beverage production volumes (8\u201315M shots\/year per cavity). P20 does not provide sufficient corrosion resistance for Korean PETG processing \u2014 PETG&#8217;s slightly acidic melt (pH equivalent from glycol modifier hydrolysis) causes P20 to develop surface oxidation at the thread profile crests after 3\u20134M shots, increasing thread surface roughness and beginning to affect neck OD dimensional consistency. Acceptable for PET beverage; replace with 2316 for PETG cosmetic applications.<\/p>\n<\/div>\n<div style=\"background: #fff1f2; border-radius: 6px; padding: 12px 16px; border-left: 3px solid #e11d48;\">\n<p style=\"font-size: 14px; font-weight: bold; color: #881337; margin: 0 0 4px;\">Acier inoxydable martensitique 2316 (32\u201336 HRC) \u2014 Norme cor\u00e9enne pour les cosm\u00e9tiques et l'industrie pharmaceutique<\/p>\n<p style=\"font-size: 14px; color: #374151; margin: 0; line-height: 1.65;\">L'acier inoxydable 2316 offre une duret\u00e9 de 32 \u00e0 36 HRC (suffisante pour une stabilit\u00e9 dimensionnelle \u00e0 une tol\u00e9rance de \u00b10,04 mm GPI) et une r\u00e9sistance \u00e0 la corrosion \u00e9quivalente \u00e0 celle de l'acier inoxydable 316L (r\u00e9sistant \u00e0 la fusion du PETG, aux agents de polissage et \u00e0 l'humidit\u00e9 estivale cor\u00e9enne). Les inserts de col en PETG utilis\u00e9s dans les produits cosm\u00e9tiques cor\u00e9ens (K-Beauty), les produits pharmaceutiques cor\u00e9ens et les gels hydroalcooliques cor\u00e9ens sont g\u00e9n\u00e9ralement fabriqu\u00e9s en acier inoxydable 2316. Dur\u00e9e de vie \u00e0 un diam\u00e8tre ext\u00e9rieur de \u00b10,04 mm GPI\u00a0: 12 \u00e0 20 millions de cycles par cavit\u00e9 avant d\u00e9rive dimensionnelle sup\u00e9rieure \u00e0 la tol\u00e9rance \u2013 l'intervalle standard pour le remplacement des inserts de col en PETG utilis\u00e9s dans les produits cosm\u00e9tiques cor\u00e9ens (K-Beauty). Le rodage au diamant \u00e0 Ra \u2264 0,05 \u00b5m est la norme pour les inserts de col en acier inoxydable 2316 utilis\u00e9s dans les produits cosm\u00e9tiques cor\u00e9ens, am\u00e9liorant ainsi la pr\u00e9cision de la reproduction dimensionnelle et la qualit\u00e9 visuelle du filetage sur les flacons de produits cosm\u00e9tiques cor\u00e9ens (K-Beauty).<\/p>\n<\/div>\n<div style=\"background: #fff1f2; border-radius: 6px; padding: 12px 16px; border-left: 3px solid #e11d48;\">\n<p style=\"font-size: 14px; font-weight: bold; color: #881337; margin: 0 0 4px;\">Acier \u00e0 outils pour travail \u00e0 chaud H13 (48\u201352 HRC) \u2014 CRC Pharmaceutical cor\u00e9en<\/p>\n<p style=\"font-size: 14px; color: #374151; margin: 0; line-height: 1.65;\">L'acier H13 offre la plus haute duret\u00e9 disponible pour les inserts de col ISBM cor\u00e9ens (48\u201352 HRC) pour les applications exigeant une stabilit\u00e9 dimensionnelle de \u00b10,03 mm des collets de seringue tout au long de leur cycle de vie. Aux cadences de production de seringues de seringue pharmaceutiques cor\u00e9ennes (4 \u00e0 6 millions d'injections par an), les inserts de col en acier H13 conservent une pr\u00e9cision dimensionnelle de \u00b10,03 mm pendant 10 \u00e0 15 millions d'injections, soit trois fois la dur\u00e9e de vie de l'acier inoxydable 2316 \u00e0 tol\u00e9rance de diam\u00e8tre ext\u00e9rieur \u00e9gale. Le co\u00fbt plus \u00e9lev\u00e9 des inserts en acier H13 (environ celui de l'acier 35% par rapport \u00e0 l'acier 2316) se justifie par la moindre fr\u00e9quence des requalifications des tests de performance des seringues, qui seraient d\u00e9clench\u00e9es par une d\u00e9rive dimensionnelle sup\u00e9rieure \u00e0 \u00b10,03 mm en production.<\/p>\n<\/div>\n<\/div>\n<p style=\"font-size: 16px; margin-bottom: 0;\">Le cadre complet de s\u00e9lection des aciers pour moules ISBM cor\u00e9ens \u2014 incluant l'interaction entre l'acier d'insert de col, l'acier de corps de cavit\u00e9 et l'acier d'insert de base pour chaque application cor\u00e9enne \u2014 est le facteur 6 (acier d'insert de col) dans le <a style=\"color: #e11d48; font-weight: 600; text-decoration: none;\" href=\"https:\/\/isbm-blow-molding.com\/fr\/isbm-mould-selection-guide-9-factor-korean-buyer-framework\/\">Guide de s\u00e9lection des moules ISBM cor\u00e9ens \u00e0 9 facteurs<\/a>.<\/p>\n<p><!-- S6 NECK FINISH DEFECTS --><\/p>\n<h2 id=\"s6\" style=\"font-size: clamp(19px,2.8vw,25px); font-weight: 800; color: #881337; padding-bottom: 8px; border-bottom: 2px solid #e11d48; margin: 52px 0 18px;\">6. D\u00e9fauts de finition du manche des ISBM cor\u00e9ens\u00a0: causes et diagnostic<\/h2>\n<div style=\"overflow-x: auto; margin: 14px 0 18px;\">\n<table style=\"width: 100%; border-collapse: collapse; font-size: 13px; min-width: 500px;\">\n<thead>\n<tr style=\"background: #881337;\">\n<th style=\"color: #fff; padding: 9px 11px; text-align: left; font-weight: 600;\">D\u00e9faut<\/th>\n<th style=\"color: #fff; padding: 9px 11px; text-align: left; font-weight: 600;\">Apparence<\/th>\n<th style=\"color: #fff; padding: 9px 11px; text-align: left; font-weight: 600;\">Cause principale<\/th>\n<th style=\"color: #fff; padding: 9px 11px; text-align: left; font-weight: 600;\">Correction<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 9px 11px; border-bottom: 1px solid #fecdd3; font-weight: 600; color: #881337;\">Tol\u00e9rance excessive du diam\u00e8tre ext\u00e9rieur du col<\/td>\n<td style=\"padding: 9px 11px; border-bottom: 1px solid #fecdd3;\">Le blocage du syst\u00e8me de fermeture ou le couple excessif requis ; jeu au niveau de la t\u00eate de pompe<\/td>\n<td style=\"padding: 9px 11px; border-bottom: 1px solid #fecdd3;\">Agrandissement de l'al\u00e9sage de l'insert de collet par usure\u00a0; sur-remplissage par injection\u00a0; temp\u00e9rature de fusion trop \u00e9lev\u00e9e<\/td>\n<td style=\"padding: 9px 11px; border-bottom: 1px solid #fecdd3;\">Mesurer l'al\u00e9sage de l'insert\u00a0; le remplacer s'il est us\u00e9\u00a0; r\u00e9duire la pression de maintien d'injection de 5 \u00e0 10%<\/td>\n<\/tr>\n<tr style=\"background: #fff1f2;\">\n<td style=\"padding: 9px 11px; border-bottom: 1px solid #fecdd3; font-weight: 600; color: #881337;\">Fil de rebord \/ ailette de filetage<\/td>\n<td style=\"padding: 9px 11px; border-bottom: 1px solid #fecdd3;\">Fines ailettes en PET prolongeant les cr\u00eates des fils ; filetages transversaux de fermeture<\/td>\n<td style=\"padding: 9px 11px; border-bottom: 1px solid #fecdd3;\">jeu de la ligne de s\u00e9paration de l'insert de col us\u00e9 sup\u00e9rieur \u00e0 0,02 mm\u00a0; sur-emballage par injection<\/td>\n<td style=\"padding: 9px 11px; border-bottom: 1px solid #fecdd3;\">Mesurer l'\u00e9cart entre les deux moiti\u00e9s de l'insert\u00a0; remonter les deux moiti\u00e9s de l'insert\u00a0; r\u00e9duire la pression d'injection<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 11px; border-bottom: 1px solid #fecdd3; font-weight: 600; color: #881337;\">Cou court<\/td>\n<td style=\"padding: 9px 11px; border-bottom: 1px solid #fecdd3;\">Profil de filetage incomplet\u00a0; segment de filetage manquant\u00a0; paroi du col mince<\/td>\n<td style=\"padding: 9px 11px; border-bottom: 1px solid #fecdd3;\">Pression d'injection insuffisante\u00a0; encrassement de la buse\u00a0; temp\u00e9rature de fusion trop basse<\/td>\n<td style=\"padding: 9px 11px; border-bottom: 1px solid #fecdd3;\">Augmenter la pression du kit d'injection\u00a0; nettoyer l'orifice du canal chaud\u00a0; augmenter la temp\u00e9rature du cylindre de 3 \u00e0 5\u00a0\u00b0C<\/td>\n<\/tr>\n<tr style=\"background: #fff1f2;\">\n<td style=\"padding: 9px 11px; border-bottom: 1px solid #fecdd3; font-weight: 600; color: #881337;\">Ovalit\u00e9 du cou<\/td>\n<td style=\"padding: 9px 11px; border-bottom: 1px solid #fecdd3;\">Col non rond\u00a0; t\u00eate de pompe non verticale\u00a0; variation du couple de fermeture<\/td>\n<td style=\"padding: 9px 11px; border-bottom: 1px solid #fecdd3;\">Refroidissement non uniforme de l'insert de cou\u00a0; force de serrage in\u00e9gale sur les deux moiti\u00e9s de l'insert de cou<\/td>\n<td style=\"padding: 9px 11px; border-bottom: 1px solid #fecdd3;\">Mesurer la diff\u00e9rence de temp\u00e9rature (\u0394T) de l'eau de refroidissement \u00e0 chaque orifice de refroidissement de l'insert du col\u00a0; \u00e9quilibrer le d\u00e9bit\u00a0; v\u00e9rifier l'alignement \u00e0 moiti\u00e9 complet de l'insert.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 11px; font-weight: 600; color: #881337;\">Surface d'assise inclin\u00e9e<\/td>\n<td style=\"padding: 9px 11px;\">La face de fermeture est en contact pr\u00e9f\u00e9rentiel avec un bord ; la fuite provient du c\u00f4t\u00e9 oppos\u00e9.<\/td>\n<td style=\"padding: 9px 11px;\">La face sup\u00e9rieure de l'insert du col n'est pas perpendiculaire \u00e0 l'axe de l'al\u00e9sage (inclinaison &gt; 0,1\u00b0)\u00a0; le refroidissement du col n'est pas uniforme.<\/td>\n<td style=\"padding: 9px 11px;\">Mesurer la perpendicularit\u00e9 de la face d'assise du col de cygne \u00e0 l'aide d'une machine \u00e0 mesurer tridimensionnelle (MMT)\u00a0; rectifier l'insert si l'inclinaison est sup\u00e9rieure \u00e0 0,1\u00b0.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><!-- S7 QC PROTOCOL --><\/p>\n<h2 id=\"s7\" style=\"font-size: clamp(19px,2.8vw,25px); font-weight: 800; color: #881337; padding-bottom: 8px; border-bottom: 2px solid #e11d48; margin: 52px 0 18px;\">7. Mesure de la finition du manche et protocole de contr\u00f4le qualit\u00e9 ISBM cor\u00e9en<\/h2>\n<figure style=\"margin: 0 0 20px;\"><img decoding=\"async\" style=\"width: 100%; height: auto; border-radius: 8px; display: block;\" src=\"https:\/\/isbm-blow-molding.com\/wp-content\/uploads\/2026\/02\/injection-stretch-blow-moulding-application-1.webp\" alt=\"Korean ISBM neck finish quality control \u2014 digital calliper neck OD measurement at four quadrants per cavity, go\/no-go gauge thread engagement check, seating surface flatness measurement, and ovality calculation for Korean beverage and K-Beauty cosmetic production lot release documentation\" \/><figcaption style=\"font-size: 12px; color: #6b7280; margin-top: 8px; text-align: center;\">Protocole de contr\u00f4le qualit\u00e9 (CQ) de finition de col ISBM cor\u00e9en\u00a0: diam\u00e8tre ext\u00e9rieur (DE) mesur\u00e9 dans les quatre quadrants (0\u00b0, 90\u00b0, 180\u00b0, 270\u00b0) par cavit\u00e9 \u00e0 l\u2019aide d\u2019un pied \u00e0 coulisse num\u00e9rique d\u2019une pr\u00e9cision de 0,001\u00a0mm\u00a0; contr\u00f4le de l\u2019engagement du filetage (norme cor\u00e9enne\u00a0: engagement complet du filetage en un tour)\u00a0; plan\u00e9it\u00e9 de la surface d\u2019assise\u00a0: \u00b10,06\u00a0mm maximum (pour les produits de beaut\u00e9 et pharmaceutiques cor\u00e9ens)\u00a0; et calcul de l\u2019ovalit\u00e9 (DE max. \u2013 DE min. \u2264 0,12\u00a0mm pour les PCO, \u2264 0,08\u00a0mm pour les GPI). Ce protocole CQ en quatre mesures, appliqu\u00e9 \u00e0 cinq flacons par cavit\u00e9 et par poste, constitue le minimum requis pour la documentation de lib\u00e9ration des lots de finition de col des marques cor\u00e9ennes haut de gamme.<\/figcaption><\/figure>\n<p style=\"font-size: 16px; margin-bottom: 0;\">Korean ISBM neck finish measurement protocol is structured at three levels of frequency and precision. Production shift check (5 bottles per cavity per shift, digital calliper): neck OD at 2 quadrants (0\u00b0 and 90\u00b0), ovality calculation, go\/no-go gauge pass; results logged in production quality record. Weekly dimensional audit (10 bottles per cavity, CMM or air gauge): neck OD at 4 quadrants, thread height T-dimension, L-dimension, support ring OD, seating surface flatness; results compared to the Korean brand&#8217;s dimensional specification (PCO 1881 ISBT drawing, GPI 28\/410 closure supplier print, or brand proprietary drawing). Quarterly neck insert dimensional inspection (coordinate measurement on the neck insert itself, not the bottle): measure insert bore at 4 quadrants, thread profile geometry (depth, pitch, angle), split-line gap, and seating face perpendicularity; compare to original as-manufactured insert dimensions to confirm wear is within the re-serviceable range. Korean ISBM producers who implement this three-level neck finish QC protocol reduce neck-related rejection at Korean brand incoming inspection to below 0.1% of deliveries \u2014 compared to 2\u20134% rejection rates for Korean ISBM producers who only perform cursory shift visual inspection of neck finish quality.<\/p>\n<p><!-- S8 SPECIAL NECK PROFILES --><\/p>\n<h2 id=\"s8\" style=\"font-size: clamp(19px,2.8vw,25px); font-weight: 800; color: #881337; padding-bottom: 8px; border-bottom: 2px solid #e11d48; margin: 52px 0 18px;\">8. Profils de col cor\u00e9ens sp\u00e9ciaux\u00a0: joint \u00e0 induction, compte-gouttes et diffuseur \u00e0 anche<\/h2>\n<p style=\"font-size: 16px; margin-bottom: 0;\">Outre les profils de filetage standard PCO et GPI, l'ISBM cor\u00e9en produit trois profils de col sp\u00e9cialis\u00e9s qui requi\u00e8rent des approches d'ing\u00e9nierie uniques. Cols \u00e0 joint par induction (pots alimentaires cor\u00e9ens, pr\u00e9parations pour nourrissons, flacons de compl\u00e9ments alimentaires, solutions buvables pharmaceutiques)\u00a0: la surface d'appui \u2013 la surface annulaire plane situ\u00e9e en haut du col sur laquelle se fixe le joint par induction en feuille d'aluminium \u2013 doit pr\u00e9senter une plan\u00e9it\u00e9 de \u00b10,06\u00a0mm pour les produits pharmaceutiques\/pr\u00e9parations pour nourrissons cor\u00e9ens et de \u00b10,08\u00a0mm pour les pots alimentaires cor\u00e9ens. Cette surface d'appui est l'\u00e9l\u00e9ment du col le plus sensible aux dimensions chez l'ISBM cor\u00e9en, car sa largeur n'est g\u00e9n\u00e9ralement que de 2,5 \u00e0 4\u00a0mm. La moindre inclinaison de l'insert de col (sup\u00e9rieure \u00e0 0,1\u00b0) cr\u00e9e une inclinaison de la surface d'appui qui engendre une r\u00e9sistance de soudure de la feuille d'aluminium non uniforme (\u00e9tanch\u00e9it\u00e9 insuffisante du c\u00f4t\u00e9 le plus bas, soudure excessivement br\u00fbl\u00e9e du c\u00f4t\u00e9 le plus haut). Goulots de compte-gouttes cor\u00e9ens (ampoules d'essence cor\u00e9ennes, solutions buvables pharmaceutiques cor\u00e9ennes, huiles de cuisson cor\u00e9ennes)\u00a0: le diam\u00e8tre int\u00e9rieur du col d\u00e9termine l'ajustement serr\u00e9 de l'embout compte-gouttes. Ce diam\u00e8tre doit \u00eatre maintenu \u00e0 \u00b10,05\u00a0mm sur l'ensemble des cavit\u00e9s afin d'assurer une force de maintien constante de l'embout. Goulots \u00e9troits de diffuseurs \u00e0 b\u00e2tonnets (parfums d'int\u00e9rieur cor\u00e9ens, diam\u00e8tre int\u00e9rieur de 14 \u00e0 22\u00a0mm)\u00a0: un insert de pr\u00e9cision distinct de l'insert de profil filet\u00e9 est n\u00e9cessaire, car le diam\u00e8tre int\u00e9rieur (qui d\u00e9termine le maintien du faisceau de b\u00e2tonnets) est ind\u00e9pendant du diam\u00e8tre ext\u00e9rieur du filetage (qui d\u00e9termine la fixation du capuchon d\u00e9coratif). Les implications de ces profils de col cor\u00e9ens sp\u00e9cifiques sur la conception du moule \u2014 notamment la gestion de la ligne de s\u00e9paration pour la surface d'\u00e9tanch\u00e9it\u00e9 par induction et l'insert de pr\u00e9cision distinct pour les cols de compte-gouttes et de diffuseur \u2014 sont trait\u00e9es dans le r\u00e9f\u00e9rentiel de moules ISBM cor\u00e9en, au sein du guide de s\u00e9lection des moules ISBM cor\u00e9en \u00e0 9\u00a0facteurs.<\/p>\n<p><!-- FAQ --><\/p>\n<h2 id=\"faq\" style=\"font-size: clamp(19px,2.8vw,25px); font-weight: 800; color: #881337; padding-bottom: 8px; border-bottom: 2px solid #e11d48; margin: 52px 0 24px;\">Foire aux questions<\/h2>\n<div style=\"border: 1px solid #fecdd3; border-radius: 8px; overflow: hidden;\">\n<div style=\"padding: 18px 22px; border-bottom: 1px solid #fecdd3;\">\n<p style=\"font-size: 15px; font-weight: bold; color: #881337; margin: 0 0 8px;\">Q1 \u2014 Pourquoi le diam\u00e8tre ext\u00e9rieur du col ISBM cor\u00e9en augmente-t-il au cours du changement de production pendant la production estivale cor\u00e9enne\u00a0?<\/p>\n<p style=\"font-size: 15px; color: #374151; margin: 0; line-height: 1.7;\">Korean ISBM neck OD progressive increase over the production shift in Korean summer (July\u2013August, ambient 32\u201338\u00b0C) has one primary cause: thermal expansion of the neck insert assembly as it heats from ambient to steady-state operating temperature during the production shift. The neck insert assembly \u2014 steel neck inserts mounted in the injection station cavity \u2014 heats progressively from 20\u00b0C at Korean morning startup to 65\u201380\u00b0C at steady-state production temperature (the thermal contribution from the PET melt at 280\u00b0C conducted into the neck zone). The thermal expansion of the P20 or 2316 stainless steel neck insert over this 45\u201360\u00b0C temperature rise is approximately 0.008\u20130.012mm OD increase per degree Celsius \u2014 at 50\u00b0C rise, the insert bore expands by 0.4\u20130.6mm. This bore expansion translates directly to a 0.4\u20130.6mm increase in neck OD from Korean morning startup to steady-state production temperature. Korean ISBM producers who perform their shift OD measurement at morning startup and use this measurement for the full production lot may be validating bottles against a cold-insert baseline that does not represent the warm steady-state production. Korean neck finish QC best practice: measure neck OD at 30 minutes after production start (when the neck insert has reached approximately 70% of its steady-state temperature), at 2 hours (near steady-state), and again at 6 hours \u2014 the progressive OD increase from these three measurements confirms the thermal expansion behaviour and the steady-state OD that the Korean brand&#8217;s closure supplier has calibrated their closure dimensions against.<\/p>\n<\/div>\n<div style=\"padding: 18px 22px; border-bottom: 1px solid #fecdd3; background: #fff1f2;\">\n<p style=\"font-size: 15px; font-weight: bold; color: #881337; margin: 0 0 8px;\">Q2 \u2014 Qu\u2019est-ce qui explique que les cavit\u00e9s ISBM cor\u00e9ennes aient des valeurs de diam\u00e8tre ext\u00e9rieur de col diff\u00e9rentes malgr\u00e9 des param\u00e8tres de processus identiques\u00a0?<\/p>\n<p style=\"font-size: 15px; color: #374151; margin: 0; line-height: 1.7;\">Cavity-to-cavity neck OD variation in Korean ISBM multi-cavity production has three primary causes. First \u2014 neck insert dimensional variation from manufacture: even when neck inserts are ordered from the same Korean mould maker for a 4-cavity or 6-cavity tool, individual inserts may have bore dimensions that vary by \u00b10.03\u20130.06mm from the nominal dimension due to machining tolerance stack-up in the insert manufacturing process. Korean ISBM producers should measure all neck inserts with an air gauge before mould assembly to confirm all inserts are within \u00b10.02mm of each other \u2014 inserts outside this batch consistency target should be reworked before assembly. Second \u2014 differential thermal expansion from uneven cooling circuit flow: cavities with higher cooling water flow (lower coolant temperature, shorter circuit path) run cooler, and their neck inserts maintain slightly smaller OD than cavities with restricted flow (higher coolant temperature). A cooling circuit flow balance check (measuring coolant temperature at inlet and outlet of each cavity&#8217;s cooling circuit) often reveals \u0394T variations of 5\u201312\u00b0C between cavities in Korean multi-cavity production \u2014 requiring flow rate balancing with adjustable flow restrictors to equalise cavity temperatures. Third \u2014 differential injection fill rate: in multi-cavity hot runner systems, cavities at different distances from the manifold central feed can fill at slightly different rates, creating different packing pressures and different final neck OD dimensions. Korean ISBM hot runner balancing \u2014 either geometric (equal runner length) or thermal (independent heated zone per cavity) \u2014 is required to achieve consistent cavity-to-cavity neck OD for Korean K-Beauty and pharmaceutical applications.<\/p>\n<\/div>\n<div style=\"padding: 18px 22px; border-bottom: 1px solid #fecdd3;\">\n<p style=\"font-size: 15px; font-weight: bold; color: #881337; margin: 0 0 8px;\">Q3 \u2014 Comment les fabricants cor\u00e9ens d'ISBM doivent-ils g\u00e9rer le remplacement des inserts de cou sans que la qualification de la marque cor\u00e9enne ne soit r\u00e9activ\u00e9e ?<\/p>\n<p style=\"font-size: 15px; color: #374151; margin: 0; line-height: 1.7;\">Korean ISBM neck insert replacement \u2014 necessary when insert dimensional drift exceeds the application tolerance from production wear \u2014 must be managed without triggering a full Korean brand re-qualification event (which typically requires 4\u20138 weeks and 30\u201350 first-article samples). Korean ISBM producers can minimise re-qualification scope by demonstrating that the replacement insert produces neck OD within the original first-article specification range. Protocol: (1) Before replacing, measure the worn insert bore at 8 positions (4 quadrants \u00d7 2 heights) and document the wear map \u2014 this establishes the dimensional baseline for the wear life record; (2) After inserting the new insert, run 10 qualification shots and measure neck OD at 4 quadrants on each of 5 consecutive bottles per cavity; (3) Confirm the new insert OD is within \u00b10.01mm of the original first-article mean OD; (4) Submit the dimensional comparison data to the Korean brand quality team as a &#8220;component change notification&#8221; (\ubd80\ud488 \ubcc0\uacbd \ud1b5\ubcf4) rather than a full first-article resubmission \u2014 Korean brands who have accepted a pre-agreed component change protocol from their ISBM suppliers allow insert replacement without full re-qualification if dimensional data confirms equivalence. Korean ISBM producers who have not pre-agreed a component change protocol with their Korean K-Beauty or pharmaceutical brand customers are required to submit a full first-article package on every insert replacement \u2014 a qualification burden that motivates pre-agreement negotiation during initial supplier qualification.<\/p>\n<\/div>\n<div style=\"padding: 18px 22px; border-bottom: 1px solid #fecdd3; background: #fff1f2;\">\n<p style=\"font-size: 15px; font-weight: bold; color: #881337; margin: 0 0 8px;\">Q4 \u2014 Quel changement de sp\u00e9cification de finition du col ISBM cor\u00e9en est n\u00e9cessaire lors du passage de l'eau plate cor\u00e9enne (PCO 1881) \u00e0 la pompe \u00e0 toner cor\u00e9enne (GPI 24\/410)\u00a0?<\/p>\n<p style=\"font-size: 15px; color: #374151; margin: 0; line-height: 1.7;\">La conversion d'une machine ISBM cor\u00e9enne, passant de la production d'eau plate PCO 1881 \u00e0 la production de toner K-Beauty avec pompe GPI 24\/410, n\u00e9cessite trois modifications mat\u00e9rielles au niveau du col, en plus du remplacement complet du corps du moule. Premi\u00e8rement, le remplacement de l'insert de col\u00a0: l'insert PCO 1881 (al\u00e9sage de 27,43\u00a0mm avec filetage \u00e0 2\u00a0jets) doit \u00eatre remplac\u00e9 par un insert GPI 24\/410 (al\u00e9sage de 24,08\u00a0mm avec filetage \u00e0 3\u00a0jets). Il s'agit d'un remplacement d'insert de pr\u00e9cision, et non d'un simple ajustement\u00a0: l'insert GPI 24\/410 est totalement diff\u00e9rent de l'insert PCO 1881 en termes de diam\u00e8tre d'al\u00e9sage, de g\u00e9om\u00e9trie du filetage et de syst\u00e8me de fixation. Deuxi\u00e8mement, la mise \u00e0 niveau de l'acier de l'insert de col\u00a0: si la production PCO 1881 \u00e9tait r\u00e9alis\u00e9e avec des inserts en acier P20, les inserts pour toner K-Beauty GPI 24\/410 doivent \u00eatre en acier inoxydable 2316 (pour la r\u00e9sistance \u00e0 la corrosion du PETG et une pr\u00e9cision de diam\u00e8tre ext\u00e9rieur de \u00b10,04\u00a0mm). Les inserts P20 ne tol\u00e8rent pas une tol\u00e9rance de \u00b10,04 mm sur la longueur de la cha\u00eene de production PETG cor\u00e9enne. Leur mise \u00e0 niveau lors du changement de moule \u00e9vite un second changement apr\u00e8s le d\u00e9but de la production de toner K-Beauty. Troisi\u00e8mement, r\u00e9glage du refroidissement du col\u00a0: l\u2019insert de col GPI 24\/410, plus petit, poss\u00e8de une masse thermique inf\u00e9rieure \u00e0 celle de l\u2019insert PCO 1881. Il atteint donc plus rapidement sa temp\u00e9rature de fonctionnement stable apr\u00e8s le d\u00e9marrage et fonctionne \u00e0 une temp\u00e9rature l\u00e9g\u00e8rement sup\u00e9rieure \u00e0 celle du PCO 1881 pour un d\u00e9bit d\u2019eau de refroidissement \u00e9quivalent. L\u2019op\u00e9rateur de l\u2019ISBM cor\u00e9enne doit r\u00e9duire le d\u00e9bit d\u2019eau de refroidissement du col de 10 \u00e0 15\u00a0TP3T lors du passage du PCO 1881 au GPI 24\/410 afin de maintenir la m\u00eame temp\u00e9rature stable au niveau du col et d\u2019\u00e9viter les d\u00e9fauts d\u2019injection dus \u00e0 un refroidissement excessif de l\u2019insert GPI pendant les 30 premi\u00e8res minutes de production PETG suivant le changement.<\/p>\n<\/div>\n<div style=\"padding: 18px 22px; border-bottom: 1px solid #fecdd3;\">\n<p style=\"font-size: 15px; font-weight: bold; color: #881337; margin: 0 0 8px;\">Q5 \u2014 Comment la tol\u00e9rance du diam\u00e8tre ext\u00e9rieur de la finition du col est-elle v\u00e9rifi\u00e9e lors du contr\u00f4le \u00e0 r\u00e9ception des marques cor\u00e9ennes\u00a0?<\/p>\n<p style=\"font-size: 15px; color: #374151; margin: 0; line-height: 1.7;\">Korean brand incoming neck finish inspection uses three methods depending on the application tier. Method 1 \u2014 Attribute gauge (go\/no-go ring gauge): the most common Korean beverage brand incoming inspection method. A calibrated go ring gauge at nominal OD + tolerance (e.g., PCO 1881 + 0.10mm go) and no-go ring gauge at nominal OD \u2212 tolerance (PCO 1881 \u2212 0.10mm no-go) are applied to each sampled bottle \u2014 pass if the go gauge slides over the neck threads smoothly, fail if the no-go gauge engages. This method is fast (5 seconds per bottle) and requires no measurement skills, making it practical for Korean filling line incoming inspection at 100 units per delivery lot sample. Method 2 \u2014 Variable measurement with digital calliper or air gauge: used by Korean K-Beauty, pharmaceutical, and premium beverage brand quality departments for supplier qualification audits and periodic incoming verification. Records actual OD values at 4 quadrants; enables statistical process capability calculation (Cpk) for supplier assessment. Method 3 \u2014 Functional closure engagement test: 20 consecutive bottles are fitted with the production closure and torqued to the Korean brand&#8217;s specified application torque (typically 15\u201320 N\u00b7cm for 28mm closures) \u2014 all 20 closures must achieve full thread engagement without cross-threading, and all 20 must unseal at a torque within the brand&#8217;s specified removal torque range. This functional test is the most commercial test method \u2014 it directly validates that the neck finish performs correctly in the Korean brand&#8217;s filling and consumer use context, regardless of whether the actual OD measurement is at the tolerance limit or the nominal centre.<\/p>\n<\/div>\n<div style=\"padding: 18px 22px; background: #fff1f2;\">\n<p style=\"font-size: 15px; font-weight: bold; color: #881337; margin: 0 0 8px;\">Q6 \u2014 Quelle est la diff\u00e9rence entre le col cor\u00e9en PCO 1881 et le col cor\u00e9en MCA 29\/25 pour la production de CSD cor\u00e9en ?<\/p>\n<p style=\"font-size: 15px; color: #374151; margin: 0; line-height: 1.7;\">MCA 29\/25 is an alternative Korean CSD neck finish introduced by some Korean beverage equipment manufacturers as a higher-flow alternative to PCO 1881 for Korean 1.5\u20132.0L CSD bottle formats. PCO 1881 at 27.43mm OD is the dominant Korean CSD neck standard for 250ml\u20131L formats; MCA 29\/25 at 29mm OD with a 25mm inner bore provides approximately 35% larger flow area for faster filling at Korean high-speed CSD filling lines operating above 40,000 bottles per hour. The engineering differences relevant to Korean ISBM neck design: MCA 29\/25 has a larger OD (29.0mm versus PCO 1881&#8217;s 27.43mm) \u2014 requiring a correspondingly larger neck insert bore and a slightly heavier neck weight (+0.4\u20130.6g per bottle); the MCA 29\/25 thread pitch is the same as PCO 1881 (2-start), but the thread depth is slightly greater to accommodate the larger diameter engagement. Korean ISBM producers who supply Korean CSD bottlers who have upgraded their filling lines to MCA 29\/25 closures for their 1.5L Korean cola line may receive Korean brand requests to transition their ISBM bottle from PCO 1881 to MCA 29\/25 \u2014 a neck insert change (not a full mould body change) that requires new inserts and a neck OD re-qualification against the Korean brand&#8217;s MCA 29\/25 closure supplier&#8217;s dimensional specification.<\/p>\n<\/div>\n<\/div>\n<div style=\"background: linear-gradient(135deg,#0c0204 0%,#e11d48 100%); border-radius: 10px; padding: clamp(26px,4.5vw,44px) clamp(18px,4vw,32px); text-align: center; margin: 52px 0 40px;\">\n<p style=\"font-size: 10px; font-weight: bold; color: #fecdd3; letter-spacing: 2px; text-transform: uppercase; margin: 0 0 10px;\">Assistance technique pour la finition du col<\/p>\n<h2 style=\"font-size: clamp(18px,3vw,24px); font-weight: 800; color: #fff; margin: 0 0 12px;\">D\u00e9rive du diam\u00e8tre ext\u00e9rieur du col de la pompe, inclinaison de la t\u00eate de pompe ou \u00e9chec du test de performance CRC de marque cor\u00e9enne\u00a0?<\/h2>\n<p style=\"font-size: 14px; color: #ffe4e6; max-width: 500px; margin: 0 auto 22px; line-height: 1.65;\">Korean Ever-Power propose un audit dimensionnel des inserts de col, une mise \u00e0 niveau des inserts en acier inoxydable 2316 ou H13 pour une pr\u00e9cision de \u00b10,03 \u00e0 0,04 mm, un protocole de dilatation thermique pour le contr\u00f4le qualit\u00e9 estival cor\u00e9en, une sp\u00e9cification de jauge go\/no-go et la plateforme HGY200-V4-EV pour l'ing\u00e9nierie de finition de col des produits de beaut\u00e9 et pharmaceutiques cor\u00e9ens.<\/p>\n<p><a style=\"display: inline-block; background: #f97316; color: #fff; padding: 13px 30px; border-radius: 6px; text-decoration: none; font-weight: bold; font-size: 14px;\" href=\"https:\/\/isbm-blow-molding.com\/fr\/contact-us\/\">Demande d'assistance technique pour la finition du col<\/a><\/p>\n<\/div>\n<section style=\"margin-bottom: 48px;\">\n<p style=\"font-size: 10px; font-weight: bold; color: #881337; letter-spacing: 1.6px; text-transform: uppercase; margin-bottom: 16px;\">Ressources connexes<\/p>\n<div style=\"display: flex; flex-wrap: wrap; gap: 14px;\"><a style=\"text-decoration: none; flex: 1; min-width: min(100%,220px); background: #fff; border: 1px solid #fecdd3; border-left: 4px solid #e11d48; border-radius: 6px; padding: 15px 17px;\" href=\"https:\/\/isbm-blow-molding.com\/fr\/product\/injection-stretch-blow-moulding-machine-hgy200-v4-4-station-isbm-technology\/\"><br \/>\n<span style=\"display: block; font-size: 9px; font-weight: bold; color: #f97316; letter-spacing: 1.2px; text-transform: uppercase; margin-bottom: 6px;\">Plateforme de pr\u00e9cision pour le cou<\/span><br \/>\n<span style=\"display: block; font-size: 14px; font-weight: bold; color: #1e3a8a; margin-bottom: 5px;\">Cor\u00e9en Ever-Power HGY200-V4<\/span><br \/>\n<span style=\"display: block; font-size: 12px; color: #6b7280; line-height: 1.5;\">Inserts de collet en acier inoxydable 2316 GPI 24\/410 et 28\/410 ; \u00e9quilibrage du refroidissement du collet par cavit\u00e9 ; inspection dimensionnelle trimestrielle des inserts en PM standard ; pr\u00e9cision CRC \u00b10,03 mm disponible.<\/span><br \/>\n<\/a><br \/>\n<a style=\"text-decoration: none; flex: 1; min-width: min(100%,220px); background: #fff; border: 1px solid #fecdd3; border-left: 4px solid #e11d48; border-radius: 6px; padding: 15px 17px;\" href=\"https:\/\/isbm-blow-molding.com\/fr\/product-category\/4-station-isbm-machine\/\"><br \/>\n<span style=\"display: block; font-size: 9px; font-weight: bold; color: #f97316; letter-spacing: 1.2px; text-transform: uppercase; margin-bottom: 6px;\">Gamme de machines<\/span><br \/>\n<span style=\"display: block; font-size: 14px; font-weight: bold; color: #1e3a8a; margin-bottom: 5px;\">Champ de tir ISBM \u00e0 4 stations<\/span><br \/>\n<span style=\"display: block; font-size: 12px; color: #6b7280; line-height: 1.5;\">Toutes les plateformes de v\u00e9hicules \u00e9lectriques Ever-Power cor\u00e9ennes incluent un \u00e9quilibrage thermique \u00e0 canaux chauds par cavit\u00e9 pour une constance du diam\u00e8tre ext\u00e9rieur du col d'une cavit\u00e9 \u00e0 l'autre \u2014 la base de la qualit\u00e9 de finition du col des produits de beaut\u00e9 et pharmaceutiques cor\u00e9ens.<\/span><br \/>\n<\/a><br \/>\n<a style=\"text-decoration: none; flex: 1; min-width: min(100%,220px); background: #fff; border: 1px solid #fecdd3; border-left: 4px solid #e11d48; border-radius: 6px; padding: 15px 17px;\" href=\"https:\/\/isbm-blow-molding.com\/fr\/product\/custom-one-step-injection-stretch-blow-moulds-isbm\/\"><br \/>\n<span style=\"display: block; font-size: 9px; font-weight: bold; color: #f97316; letter-spacing: 1.2px; text-transform: uppercase; margin-bottom: 6px;\">Outillage de pr\u00e9cision pour col<\/span><br \/>\n<span style=\"display: block; font-size: 14px; font-weight: bold; color: #1e3a8a; margin-bottom: 5px;\">Conception de moules ISBM personnalis\u00e9s<\/span><br \/>\n<span style=\"display: block; font-size: 12px; color: #6b7280; line-height: 1.5;\">Inserts de col cor\u00e9ens fabriqu\u00e9s selon les sp\u00e9cifications PCO 1881, GPI 28\/410, GPI 24\/410 et CRC P&amp;T ; acier inoxydable 2316 ou H13 selon l'application ; certificat dimensionnel v\u00e9rifi\u00e9 par CMM inclus avec chaque jeu d'inserts.<\/span><br \/>\n<\/a><\/div>\n<\/section>\n<p>&nbsp;<\/p>\n<footer style=\"text-align: center; padding: 34px 0 26px; border-top: 1px solid #e5e7eb;\">\n<p style=\"font-size: 12px; color: #9ca3af; margin: 0;\">\u00c9diteur : Cxm<\/p>\n<\/footer>\n<\/div>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Technical Deep Dive \u00b7 Neck Finish Engineering \u00b7 Korean ISBM 2026 ISBM Neck Finish Engineering: Korean Bottle Guide The neck finish is the only zone of the ISBM bottle that never gets stretched \u2014 it is injected at final dimensions and must perform precisely at closure engagement, tamper evidence, and dispensing sealing. Every 0.05mm neck [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[26,24],"tags":[],"class_list":["post-901","post","type-post","status-publish","format-standard","hentry","category-application-of-isbm","category-technical-deep-dive"],"_links":{"self":[{"href":"https:\/\/isbm-blow-molding.com\/fr\/wp-json\/wp\/v2\/posts\/901","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/isbm-blow-molding.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/isbm-blow-molding.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/isbm-blow-molding.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/isbm-blow-molding.com\/fr\/wp-json\/wp\/v2\/comments?post=901"}],"version-history":[{"count":2,"href":"https:\/\/isbm-blow-molding.com\/fr\/wp-json\/wp\/v2\/posts\/901\/revisions"}],"predecessor-version":[{"id":903,"href":"https:\/\/isbm-blow-molding.com\/fr\/wp-json\/wp\/v2\/posts\/901\/revisions\/903"}],"wp:attachment":[{"href":"https:\/\/isbm-blow-molding.com\/fr\/wp-json\/wp\/v2\/media?parent=901"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/isbm-blow-molding.com\/fr\/wp-json\/wp\/v2\/categories?post=901"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/isbm-blow-molding.com\/fr\/wp-json\/wp\/v2\/tags?post=901"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}