IBM洗涤剂：
洗衣瓶 注塑吹塑成型指南

浓缩洗涤剂

300–600 毫升 · 38/400 倾倒口

韩国高端浓缩洗衣液（3倍至5倍浓缩配方）。小容量IBM包装——一瓶即可替代1-1.5升标准洗衣液。兼具韩国便捷性和高端定位。韩国快速增长的城市公寓市场。

标准液体洗涤剂

500–800 毫升 · 38/400 或 38/410

韩国超市出售的中档洗衣液。IBM ZQ110 4-8槽洗衣液涵盖了这一价位。800毫升以上带把手的洗衣液：EBM。无把手的800毫升IBM ZQ110 4槽洗衣液也适用。

织物柔顺剂

300–600 毫升 · 28/410 泵

韩国高端衣物柔顺剂，带泵头。酸性配方（pH 3-5）——与碱性洗涤剂相比，其对人体的残留物（ESCR）影响不同。IBM 精密泵颈对于韩国 28/410 型泵在韩国自动化灌装线上的适配至关重要。

婴儿洗衣

500–700 毫升 · 38/400 倾倒或按压

韩国低敏婴儿洗衣液——符合最高外观和纯度要求。采用零闪点IBM基底（无HDPE颗粒污染风险）。包装通过韩国环保标志认证，且无需提供韩国MSDS（材料安全数据表）。

小米系列

0.5–1.0

与洗洁精ESCR等级相同——表面活性剂ESCR抗性高分子量

密度

0.955–0.962

g/cm³——比洗洁精的硬度范围略高，适用于较大规格的洗衣液瓶

抗氧化剂类型

受阻酚

适用于 pH > 9.0 的韩国洗衣液的耐水解稳定抗氧化剂——请向韩国 HDPE 供应商确认

ESCR F50靶点

≥ 200 小时

ASTM D1693 标准，10% Igepal 材料，23°C 下测试——韩国洗衣产品零售保质期至少为 24 个月

更大的预制件注射重量——需要 ZQ110

A 600 ml HDPE laundry detergent container at 0.75 mm average wall weighs approximately 24–28 g. At 6 cavities on ZQ110: 6 × 26g = 156g shot weight — within ZQ110’s 500g rated shot weight with comfortable headroom. The same 6-cavity 600 ml mould on ZQ80 (250g shot weight limit): 156g = 62% of ZQ80 limit — feasible but leaves limited margin for larger format or heavier wall targets. Korea Ever-Power recommends ZQ110 for 6-cavity 600 ml detergent to preserve shot weight headroom for future wall thickness adjustments without machine change.

更长的吹风停留时间——600-800毫升宽体直径

600毫升韩国洗衣液（瓶身外径约75毫米）的吹塑停留时间为2.0-2.8秒，而300毫升洗洁精（瓶身外径约62毫米）的吹塑停留时间为1.4-2.0秒。瓶身较宽意味着与吹塑模具接触的壁面总面积更大，因此容器需要更长时间才能充分固化，从而确保在3号工位无变形脱模。将吹塑模具冷却水温度从22°C降低到14°C，可使600毫升容器的吹塑停留时间缩短约0.3-0.4秒。这是一个有效的优化方法，但需要验证瓶底平整度（模具温度越低，瓶底区域固化速度越快，但均匀性越差），确保其符合±0.3毫米的平整度标准。

38/400 颈部注射口平衡 — 比 28/410 更宽

38/400 韩国洗衣液的灌注颈口比 28/410 洗洁精的灌注颈口更宽——更大的颈口允许在热流道喷嘴处设置更大的注料口，从而缩短注料时间（38/400 比 28/410 缩短 0.1 秒，这是由于喷嘴剪切速率较低），但需要略高的保压压力才能使更宽的颈口横截面充满。韩国 Ever-Power 公司针对每种颈口尺寸校准热流道喷嘴处的注料口直径，以优化所有型腔的灌注均匀性——在同一台 ZQ 注塑机上，38/400 洗衣液 IBM 的注料口直径通常比 28/410 洗洁精 IBM 的注料口直径大 0.1-0.2 毫米。

Q 01

对于HDPE IBM容器的选择，碱性洗涤剂的ESCR与洗洁精表面活性剂的ESCR有何不同？

Alkaline laundry detergent produces HDPE container failure through two mechanisms simultaneously, while dish soap produces failure through one. The first mechanism — surfactant ESCR — operates identically in both: anionic surfactants (LAS, SLES) at 10–25% concentration penetrate HDPE crystal boundaries, reduce crack propagation surface energy and enable stress crack initiation at moulding residual stress zones. This is the mechanism addressed by selecting low-MI high-molecular-weight HDPE (MI 0.5–1.0) and is common to both dish soap and laundry detergent IBM. The second mechanism — alkaline antioxidant hydrolysis — is specific to laundry detergent at pH 8.5–10.5 and absent at dish soap pH 7–9. At pH above 8.0, hydroxide ions saponify ester-based antioxidant molecules at the HDPE surface — specifically fatty acid ester antioxidants like Irganox 1010 (pentaerythritol tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoate)). Loss of antioxidant protection in the HDPE surface zone reduces oxidative stability and allows chain scission at stress concentration points, producing surface embrittlement and whitening over 12–24 months of Korean ambient storage. The solution is to specify HDPE with a hindered phenol antioxidant that does not contain labile ester bonds at the phenol ring — grades using secondary antioxidants based on thiodipropionic acid diesters (DSTDP, DLTDP) provide better alkaline pH stability than primary antioxidant-only packages. In practical Korean HDPE procurement: Korean HDPE suppliers targeting HDPE for laundry detergent blow moulding explicitly note “suitable for alkaline detergent” on their technical data sheets — use only these grades for Korean laundry detergent IBM at pH above 9.0. Grades suitable for dish soap (pH 7–9) are not automatically qualified for alkaline laundry detergent (pH 9–10.5) without antioxidant package verification.

Q 02

韩国洗涤剂颈部标准采用什么标准？这些标准对 500-600 毫升洗涤剂的 ZQ 腔数有何影响？

Korean laundry detergent IBM uses two primary neck standards: 38/400 (pour cap) for liquid laundry detergent and 28/410 (pump) for fabric softener. The 38/400 neck OD is 38.0 mm nominal — approximately 10 mm wider than the 28/410 dish soap neck at 28.0 mm. This wider neck has a significant impact on ZQ machine platen cavity count for large-format laundry detergent IBM. For a 600 ml HDPE laundry detergent container with body OD ~75 mm: the 38/400 neck zone itself occupies a 45–48 mm footprint in the IBM injection mould cavity (neck OD + required neck insert steel around the thread = 38.0 + 5–7 mm each side). On the ZQ110 turret platen (diameter approximately 520 mm usable radius), a linear arrangement of 38/400 neck cavities at ~80 mm pitch allows 6 cavities maximum in a 2-row arrangement — versus 8 cavities for the same 600 ml body OD with 28/410 neck. The 38/400 neck’s wider steel requirement around the neck insert is therefore the binding platen constraint for large Korean laundry detergent at 500–800 ml, overriding the body OD constraint. Korea Ever-Power provides the cavity layout drawing for each container+neck+machine combination at the enquiry stage — the platen layout calculation for 38/400 laundry detergent IBM is routinely done for ZQ80, ZQ110 and ZQ135 to confirm achievable cavity count before project commitment. Practical recommendation: for Korean 600 ml 38/400 laundry detergent IBM at ZQ110, plan for 6 cavities as the realistic maximum and verify with Korea Ever-Power’s platen layout service before mould investment.

Q 03

IBM 能否生产出具有商业可行性的 1 升装洗衣液容器（包含多个腔室）？

IBM can produce 1-litre laundry detergent containers but at cavity counts (2–4 cavities on ZQ135) that limit annual output to approximately 12–18M units/year at 2-shift Korean operation — borderline for Korean national brand flagship SKU volumes. The constraints that limit 1-litre IBM cavity count are the intersection of three factors at 1 L container size. First, platen size: a 1-litre HDPE laundry container body OD is approximately 88–95 mm — at 80–90 mm pitch spacing between cavity centres, the ZQ135’s platen (largest Korea Ever-Power model) accommodates a maximum of 4 cavities in a 2×2 arrangement. Second, shot weight: 1-litre HDPE at 0.8 mm average wall = approximately 50–60 g per container; 4 cavities × 55 g = 220 g total shot weight — below ZQ135’s 750g limit with headroom, but approaching ZQ110’s 500g limit at 4 cavities. Third, blow dwell: 1-litre body OD at 90 mm requires blow dwell of 3.0–4.0 s for adequate base zone solidification — producing a total cycle time of 6.5–8.0 s, significantly longer than 500 ml (5.0–5.5 s). At 4 cavities, 7.0-second cycle, ZQ135: 4 × (3600÷7.0) × 0.88 × 3,500 hr = ~6.4M units/year. For Korean 1-litre laundry at volumes above 15M/year, EBM with handle is the correct commercial decision — IBM 1-litre handleless is economically viable only for Korean premium concentrated 1-litre formats where the per-unit IBM quality premium (precision neck, no body parting line) justifies the lower production rate.

Q 04

为什么韩国婴儿洗衣液的IBM容器规格比标准洗涤剂的IBM容器规格更严格？

Korean baby laundry IBM container specifications are stricter than standard Korean detergent IBM across five dimensions. First, zero flash: standard Korean laundry detergent may accept EBM containers at value channel price points, but Korean baby laundry brand QA policies consistently specify IBM to eliminate the EBM trim particle contamination risk — no Korean baby product brand has accepted EBM primary containers at any Korean channel since the 2021 Korean consumer plasticiser contamination scare in baby products. Second, HDPE food contact material certification: Korean baby laundry brands specify the container HDPE as food-contact grade with full Korean MFDS positive list additive documentation — the same documentation level as Korean food packaging IBM, not just Korean household chemical IBM. Third, additive restriction: Korean baby laundry brands restrict HDPE masterbatch colourant to food-grade pigments only (no industrial dye colourants), and restrict UV stabilisers to food-contact-listed grades — stricter than adult laundry brands which use industrial-grade colour and UV packages. Fourth, colour consistency: Korean baby laundry brands typically specify white or light pastel container colours (white, pale blue, pale green) with Delta E ≤ 1.5 across Korean production batches — achieved by IBM’s closed-loop masterbatch dosing, not by commodity hand-dosing used in lower-specification EBM household laundry production. Fifth, container certification documentation: Korean baby laundry IBM containers require a container specification sheet (signed by Korea Ever-Power applications engineering) confirming HDPE grade, additive package, production process (IBM, zero trim) and dimensional compliance — a documentation package that Korean adult laundry contracts do not require. This five-point stricter specification set is standard Korea Ever-Power pre-delivery documentation for Korean baby laundry IBM projects and is included in Korea Ever-Power’s Korean baby laundry container qualification package without additional documentation charge.

Q 05

韩国织物柔顺剂配方化学成分如何影响IBM容器材料的选择（与洗衣液相比）？

Korean fabric softener and Korean laundry detergent present different chemical environments for HDPE IBM containers — primarily because fabric softener is acidic (pH 3–5) while laundry detergent is alkaline (pH 8.5–10.5), and because fabric softener uses cationic surfactants while laundry detergent uses anionic surfactants. These chemistry differences produce three material selection implications for Korean fabric softener IBM versus Korean laundry detergent IBM. First, antioxidant package: at acidic pH 3–5, Korean fabric softener does not cause alkaline antioxidant saponification — the ester-based antioxidant packages that must be avoided for alkaline laundry detergent (Irganox 1010 in alkaline environment) are perfectly stable in fabric softener at pH 3–5. Standard HDPE antioxidant packages (Irganox 1010 or 1076) are acceptable for Korean fabric softener IBM without pH-specific antioxidant selection. Second, ESCR from cationic surfactants: cationic surfactants (quaternary ammonium compounds DSDMAC, DEQA at 5–15% in Korean fabric softener) have lower HDPE ESCR aggressiveness than anionic LAS at equivalent concentration — because the cationic surfactant’s positive charge is partially repelled by HDPE’s non-polar surface, reducing interfacial penetration. Korean fabric softener IBM at 10% DSDMAC produces F50 ESCR failures at longer timeframes than Korean dish soap at 20% LAS — allowing slightly higher MI HDPE (MI up to 2.0) while maintaining acceptable ESCR for 24-month Korean fabric softener shelf life. Third, container appearance in the Korean context: Korean fabric softener containers (premium pricing, Korean premium personal care channel) are marketed on appearance. IBM’s zero body parting line and consistent surface finish are particularly important for Korean fabric softener because Korean premium brands use transparent or translucent sleeve labels (from which the HDPE container surface is partially visible) — an EBM body parting line showing through a transparent Korean fabric softener sleeve label is a Korean brand acceptance rejection reason regardless of the functional ESCR compliance of the container.

Q 06

What are the Korean measure-pour cap sealing requirements that make IBM’s neck precision commercially critical for laundry detergent?

Korean liquid laundry detergent is dispensed using a measure-pour cap — a cap with an integrated dosing chamber (typically 40–100 ml) that the Korean consumer fills by inverting the bottle, then pours into the Korean washing machine drum. The measure-pour cap’s dosing chamber is sealed against the bottle neck by an internal elastomeric sealing ring that contacts the neck’s sealing land (the flat annular surface at the neck’s top edge). For leak-free performance, this elastomeric seal must contact the sealing land uniformly around the full 360° neck circumference — a sealing condition that requires the sealing land to be flat (≤ 0.05 mm deviation from plane) and the neck OD to be within the cap manufacturer’s specified engagement range (typically nominal ±0.08–0.10 mm). IBM’s injection-moulded 38/400 neck achieves both: sealing land flatness ≤ 0.03 mm (controlled by the injection mould’s neck insert machining tolerance of ±0.01 mm) and neck OD ±0.05 mm across all production cavities. EBM’s 38/400 neck produced by blow pressure action has a sealing land flatness of 0.05–0.20 mm (variable with blow pressure and parison distribution cycle-to-cycle) and neck OD of ±0.20–0.35 mm — frequently outside the measure-pour cap sealing engagement range on a fraction of production containers. The commercial consequence of a Korean measure-pour cap sealing failure is significant: Korean liquid laundry detergent leaking from a loose measure-pour cap at Korean retail produces a Korean product contamination event (laundry detergent dripping onto Korean pharmacy or hypermarket shelf), a Korean brand quality non-conformance report from the Korean retailer, and a customer complaint rate that triggers Korean brand internal quality investigation. Korea Ever-Power documents 38/400 neck sealing land flatness and OD values in the pre-delivery production trial dimensional report for each Korean laundry detergent IBM project — confirming that all production cavities meet the Korean measure-pour cap manufacturer’s sealing engagement specification before Korean brand approval is issued.