{"id":1262,"date":"2026-07-14T03:40:30","date_gmt":"2026-07-14T03:40:30","guid":{"rendered":"https:\/\/isbm-blow-molding.com\/?p=1262"},"modified":"2026-07-14T03:40:30","modified_gmt":"2026-07-14T03:40:30","slug":"ibm-neck-finish-standards","status":"publish","type":"post","link":"https:\/\/isbm-blow-molding.com\/ar\/ibm-neck-finish-standards\/","title":{"rendered":"\u0645\u0639\u0627\u064a\u064a\u0631 \u062a\u0634\u0637\u064a\u0628 \u0631\u0642\u0628\u0629 \u0627\u0644\u0633\u064a\u0627\u0631\u0629 \u0645\u0646 \u0634\u0631\u0643\u0629 IBM"},"content":{"rendered":"
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IBM NECK FINISH STANDARDS \u00b7 GPI BPF PCO THREAD \u00b7 CRC FITMENT \u00b7 NECK OD TOLERANCE \u00b7 KOREA EVER-POWER ZQ<\/span><\/p>\n

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IBM Neck Finish Standards:
\nGPI, BPF and PCO Thread<\/span> Engineering Guide<\/h1>\n

IBM neck finish engineering governs closure fitment, dispensing pump engagement, child-resistant mechanism compliance and tamper-evidence performance across all IBM container applications. Understanding GPI, BPF and PCO neck finish standards \u2014 and how Korea Ever-Power ZQ injection station engineering achieves \u00b10.05mm neck OD tolerance \u2014 is fundamental for IBM packaging R&D teams specifying closure systems and IBM mould engineers designing injection cavity neck geometry.<\/p>\n

GPI \u2022 BPF \u2022 PCO Neck Standards<\/span>
\nIBM Neck OD \u00b10.05mm Tolerance<\/span>
\nCRC \u2022 Pump \u2022 Flip-Top Fitment<\/span><\/div>\n

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IBM NECK FINISH \u00b7 KEY STANDARDS REFERENCE<\/p>\n<\/div>\n

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NECK OD RANGE<\/p>\n

13mm \u2013 120mm<\/p>\n

IBM neck OD range on Korea Ever-Power ZQ machines: 13mm OD (13\/415 narrow-neck serum vial or eye dropper IBM) to 120mm OD (wide-mouth protein jar or industrial container IBM on ZQ135). Most common IBM neck OD range: 18mm (18\/415 narrow cosmetic), 24mm (24\/410 pump), 28mm (28\/410 trigger\/pump standard), 38mm (38\/400 pour neck), 45mm (automotive fluid) and 89\u2013120mm (wide-mouth supplement jar)<\/p>\n<\/div>\n

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IBM NECK OD TOLERANCE<\/p>\n

\u00b10.05 \u0645\u0645<\/p>\n

Korea Ever-Power ZQ injection station achieves \u00b10.05mm neck OD at 3 circumferential positions across all production cavities and batches. This is the primary IBM competitive advantage over EBM (\u00b10.15\u20130.30mm): consistent closure, pump and trigger fitment at automated filling line application speed. ZQ injection cavity neck thread is machined to \u00b10.01mm at Korea Ever-Power Ansan-si mould shop for this production tolerance<\/p>\n<\/div>\n

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STANDARD SYSTEMS<\/p>\n

GPI \u2022 BPF \u2022 PCO<\/p>\n

Three neck finish standard families used in IBM: GPI (Glass Packaging Institute \u2014 adopted globally for plastic closure fitment standards; most IBM cosmetic, pharmaceutical and household chemical necks are GPI-specified); BPF (British Plastics Federation \u2014 UK\/European IBM bottle neck standard for cosmetic and FMCG closures); PCO (Plastic Closure Only \u2014 originally beverage carbonated, now applied to IBM aerosol and speciality closures)<\/p>\n<\/div>\n

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CLOSURE TYPES<\/p>\n

6 Primary<\/p>\n

Six primary IBM closure types on Korea Ever-Power ZQ programmes: (1) continuous thread (CT) screw cap; (2) lotion\/pump dispenser (snap-on pump body); (3) trigger spray pump (snap-on or screw); (4) child-resistant (CRC push-and-turn or squeeze-and-turn); (5) flip-top (hinged PP closure, snap-on IBM neck bead); (6) dropper assembly (glass or PP dropper, crimped or screw-neck). Each closure type imposes specific IBM neck OD, thread profile and bead\/groove geometry at ZQ injection station<\/p>\n<\/div>\n<\/div>\n<\/div>\n