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  • 塑料包装袋的分类特点
  • 本站编辑:杭州真彩包装制品有限公司发布日期:2020-02-20 20:20 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

2-1Z525141649-50-lp.jpg

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 packaging bags can be divided into OPP, CPP, PP, PE, PVA, EVA, composite bags, coextrusion bags and so on.

Advantage characteristics

CPP

Non toxic, composable, better transparency than PE, slightly worse hardness. Soft texture, transparency of PP, softness of PE.

PP

Hardness is inferior to OPP, it can be stretched (two-way stretching) to form triangle, bottom seal or side seal

PE

With formalin, the transparency is a little poor

PVA

It is a new environmental protection material with soft texture and good transparency. When it is dissolved in water, the raw materials are imported from Japan, which are expensive and widely used in foreign countries

OPP

Good transparency and hardness

Compound bag

Strong sealing strength, printable, ink will not fall off

Co extrusion bag

Good transparency, soft texture, printable

Plastic packaging bags can be divided into plastic woven bags and plastic film bags according to different product structures and uses

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