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1、中国区工程与包装要求 聚乙烯热收缩膜技术要求颁布日期：2002-05-31T-32共3页 第 3页目的：明确聚乙烯热收缩膜的技术要求，确保供我司产品使用的聚乙烯热收缩膜符合可口可乐（中国）饮料有限公司相应的产品规格与标准。1. 使用要求11 用于PET 瓶包装的聚乙烯热收缩膜的厚度必须由其包装的产品总重量决定。（参见附录）12 用于易拉罐包装的聚乙烯热收缩膜厚度必须大于等于60微米。13 聚乙烯热收缩膜包装产品的底部重叠部分必须热封良好。14 总重大于等于15公斤的聚乙烯热收缩膜包装的PET瓶产品的底部必须使用纸托盘或纸板。所有聚乙烯热收缩膜包装的易拉罐产品必须使用纸托盘。（纸托盘和纸板规格参
2、见纸箱标准）15 为保证聚乙烯热收缩膜包装产品在储存与运输过程中的稳定性与安全性。要求在堆叠聚乙烯热收缩膜包装产品时使用塑料托盘（塑料托盘规格要求参见PE 热收缩膜，塑料托盘和塑料缠绕膜的技术指引（SS-R-001）16 对每批进货进行进厂验收。2 外观聚乙烯热收缩膜没有影响使用的孔洞、色斑、气泡、鱼眼、折皱等缺陷。卷膜裁切平行齐整，不得歪斜。卷膜收卷平整，两端直径不得有明显差异，直径偏差系数小于4%。卷膜两端端面齐整。注：直径偏差系数=卷膜两端直径差值/ 卷膜小端直径100 (%).3 卷轴卷轴两端不得有变形，卷轴内壁光滑并能够有效固定在热收缩膜机上。卷轴内径 ： 极限偏差 = 1毫米4 尺
3、寸偏差 卷膜宽度 ： 平均偏差 = 2% 卷膜厚度 ： 极限偏差 = 5% ; 平均偏差 = 3% 5.物理机械性能项目单位规格检验方法拉伸强度纵向MPa16GB13022-91横向MPa12GB13022-91断裂强度纵向MPa13GB13022-91横向MPa10GB13022-91收缩率纵向%66聚乙烯热收缩膜进厂检验手册横向%20*聚乙烯热收缩膜进厂检验手册收缩比-15% 。6储存聚乙烯热收缩膜应避光防潮储存。7.保存期 自生产之日起一年。8.产品标识 在每卷聚乙烯热收缩膜上都必须贴有包含所有生产信息的识别标签。识别标 签应包含以下内容：品名，规格，净重，批号，生产设备，生产日期，生产
4、 厂商名及厂址，品控检验合格标志。 附录1. 聚乙烯热收缩膜规格 膜厚(PET瓶)收缩膜包装产品重量(kg)厚度(m)1680注：以上数据为推荐值，使用者可在此范围内选择合适的规格以达到最佳的包装效果。 推荐膜宽：产品规格宽度(mm)CSD 500ml53470510CSD 500ml64530580CSD 1.25L22290340CSD 1.25L32380430CSD 1.25L43500560CSD 2.0L22325355CSD 2.0L32430510CSD 2.0L42530590Tea 500ml53525Tea 500ml64550600Water 550ml53460505
5、Water 550ml64530580Water 1.5L32415Water 1.5L43545Can 355ml64530认可： 姚柏龄技术拓展及事务总监签署：China Division Engineering & PackagingRequirementTechnical Requirements for PE Shrink FilmIssue Date：2002-05-31T-32Page 3 of 3Purpose：To define technical requirements for PE shrink film and to ensure that PE shrink fil
6、m for our products use meet the relevant specifications and standards of the Coca-Cola (China) Beverages Co., Ltd. 1. Application requirements1.1 The thickness of PE shrink film for PET bottle must be decided by the weight of shrink film pack. (Refer to appendix.)1.2 The thickness of PE shrink film
7、for can must be not less than 60m.1.3 The overlay at the bottom of PE shrink film pack must be sealed well. 1.4 The bottom of PE shrink film pack for PET bottle products (total weight 15kg) must be supported with carton tray or carton board. The bottom of PE shrink film pack for can must be supporte
8、d with carton tray. (The tray and board specification is same as carton specification.)1.5 To ensure PE shrink film pack is stable and safety during storage and transportation, plastic pallet must be used to stack. (the plastic pallet specification see the technical guideline of PE shrink film ,plas
9、tic pallet and plastic sketch film (SS-R-001)1.6 Every batch of PE shrink film must be checked by in-coming QC.2. AppearanceNo defects, such as cavity, color spot, bubble, fish eye, Wrinkle and impurity etc, which may affect pack quality. PE shrink film should be cut out regularly, no deflection. Th
10、e reel should be rewound smoothly, no obvious diameter difference on one reel. The coefficient of diameter deviation is 16GB13022-91LatitudinalMPa12GB13022-91BreakingstrengthLongitudinalMPa13GB13022-91LatitudinalMPa10GB13022-91ShrinkageLongitudinal%66PE shrink film in-coming QCLatitudinal%20*PE shri
11、nk film in-coming QCShrinkage rate- 15%. 6. Storage PE shrink film should be stored to avoid direct sunlight and damp.7. Shelf life One year after manufactured. 8. Product identification There must be a certification label that includes all production data at every reel. The production data should include product name, specification, net weight, lot number, blown machine number ,production date, plant name & address, QC verification . Appendix .1. PE shrink film spe
