最新聚乙烯热收缩膜技术要求

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Longitudinal
MPa
>13
GB13022-91
Latitudinal
MPa
>10
GB13022-91
Shrinkage
Longitudinal
%
>66
PEshrink film in-coming QC
Latitudinal
%
>20*
PEshrink film in-coming QC
Shrinkage rate
1.3The overlay at the bottom ofPEshrink film pack must be sealed well.
1.4The bottom ofPEshrink film pack for PET bottle products (total weight≥15kg)
must be supported with carton tray or carton board. The bottom ofPEshrink film
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
-
<3.5
聚乙烯热收缩膜进厂检验手册
动、静表面摩擦系数
-
≥0.4
GB10006-88
*:应用于易拉罐包装的聚乙烯热收缩膜的横向收缩率标准为>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。
Remark: The coefficient of diameter deviation =diameter difference of two ends ofReel / diameter of small end of reel×100 (%).
3.Core
The core should not be deformed, inside surface of the core is smooth.
The core should be fixed on the shrink film machine effectively.
Core diameter:tolerance =±1mm
4. Dimension tolerance
Film width:average variation =±2%
Film thickness:tolerance =±5%;average variation =±3%
6×4
530~580
CSD 1.25L
2×2
290~340
CSD 1.25L
3×2
380~430
CSD 1.25L
4×3
500~560
CSD 2.0L
2×2
325~355
CSD 2.0L
3×2
430~510
CSD 2.0L
4×2
530~590
Tea 500ml
5×3
≥525
Tea 500ml
6×4
550~600
specification within this range to achieve the best package result.
Recommended PE shrink film Width
Product
Configuration
Width
(mm)
CSD 500ml
5×3
470~510
CSD 500ml
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
1.1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)
1.2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。
1.3聚乙烯热收缩膜包装产品的底部重叠部分必须热封良好。
7. Shelf life
One year after manufactured.
8. Product identification
There must be a certification label that includes all production data at every reel.
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
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
(μm)
< 6
≥60
6~16
≥70
>16
≥80
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。
Appendix .
1.
Thickness (for PET bottle)
Weight of shrink film pack
(kg)
Thickness
(μm)
< 6kg
≥60
6kg~16kg
≥70
>16kg
≥80
Remark:All of these data are recommended.User could select proper
1.4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见纸箱标准)
1.5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))
4×2
530~590
Tea 500ml
5×3
≥525
Tea 500ml
6×4
550~600
Water 550ml
5×3
460~505
Water 550ml
6×4
530~580
Water 1.5L
3×2
≥415
Water 1.5L
4×3
≥545
Can 355ml
6×4
≥530
Purpose:
To definetechnicalrequirementsforPE shrink filmandto ensure that PE shrink filmfor our products use meet the relevant specifications and standards of the Coca-Cola (China) Beverages Co., Ltd.
pack for can must be supported with carton tray.(The tray and board specification
is same ascarton specification.)
1.5To 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 ,plastic pallet and plastic sketch film (SS-R-001))
The production data should include product name, specification, net weight, lot
number,blownmachine number ,production date, plantname & address, QC
verification .
1.Application requirements
1.1The thickness of PE shrink film for PET bottle must be decided by the weight of shrink film pack. (Refer to appendix.)
1.2The thickness of PE shrink film for can mustbe notless than 60μm.
卷轴内径:极限偏差=±1毫米
4.尺寸偏差
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
MPa
>16
GB13022-91
横向
MPa
>12
GB13022-91
断裂强度
纵向
MPa
>13
GB13022-91
横向
MPa
>10
GB13022-91
推荐膜宽:
产品
规格
宽度
(mm)
CSD 500ml
5×3
470~510
CSD 500ml
6×4
530~580
CSD 1.25L
2×2
290~340
CSD 1.25L
3×2
380~430
CSD 1.25L
4×3
500~560
CSD 2.0L
2×2
325~355
CSD 2.0L
3×2
430~510
CSD 2.0L
1.6Every batch of PE shrink filmmust bechecked byin-coming QC.
2.Appearance
No 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, nodeflection.The reel should be rewoundsmoothly, no obvious diameter difference on one reel.Thecoefficient of diameter deviation is <4%. Side of the reel should be regular.
5. Physical and technical properties
Items
Unit
SpHale Waihona Puke Baiducification
Test method
Tensile strength
Longitudinal
MPa
>16
GB13022-91
Latitudinal
MPa
>12
GB13022-91
Breaking
strength
1.6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。
Water 550ml
5×3
460~505
Water 550ml
6×4
530~580
Water 1.5L
3×2
≥415
Water 1.5L
4×3
≥545
Can 355ml
6×4
≥530
-
<3.5
PEshrink film in-coming QC
-
≥0.4
GB10006-88
*:The latitudinal shrinkage of PE shrink film used for packaging of Can
is > 15%.
6. Storage
PE shrink film should be stored to avoid direct sunlight and damp.
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