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  • 塑料包装袋的分类特点
  • 本站编辑:杭州恒卓塑料包装有限公司发布日期:2019-06-13 14:25 浏览次数:
塑料包装袋按材质可分为OPP、CPP、PP、PE、PVA、EVA、复合袋、共挤袋等。
 
  
优势特点
CPP
无毒,可复合,透明度比PE好,硬度稍差。质地柔软,有PP的透明度,PE的柔软性。
PP
硬度次于OPP,可拉伸(双向拉抻)拉后成三角形,底封或边封
PE
有福尔马林,透明度稍差
PVA
质地柔软,透明度好,是一种新型环保材料,遇水溶化,原料均由日本进口,价格昂贵,在国外应用较为广泛
OPP
透明度好,硬度强
复合袋
封强度牢,可印刷,油墨不会脱落
共挤袋
透明度好,质地柔软,可印刷
塑料包装袋按产品结构及用途不同可分为:塑料编织袋和塑料薄膜袋
 
 
Plastic bags can be divided into OPP, CPP, PP, PE, PVA, EVA, composite bags, and co-extrusion bags.
Advantages
CPP
Non-toxic, compound, better transparency than PE, slightly less hardness. The texture is soft, with the transparency of PP, and the softness of PE.
PP
Hardness inferior to OPP, can be stretched(two-way pull) after pulling into a triangle, bottom seal or side seal
PE
Formalin, less transparent.
PVA
Soft texture, good transparency, is a new type of environmental protection material, melting in the event of water, raw materials are imported from Japan, expensive, more widely used in foreign countries
OPP
Good transparency, strong hardness
Composite bags
Seal strong, printing, ink will not fall off
Co-extruding bag
Clear, soft, printable
Plastic bags can be divided into plastic woven bags and plastic film bags according to product structure and use.
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