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  • 塑料包裝袋的分類特點
  • 本站編輯:杭州真彩包裝制品有限公司發布日期:2020-02-20 20:20 瀏覽次數:

塑料包裝袋按材質可分為OPP、CPP、PP、PE、PVA、EVA、復合袋、共擠袋等。

 

   

優勢特點

CPP

無毒,可復合,透明度比PE好,硬度稍差。質地柔軟,有PP的透明度,PE的柔軟性。

PP

硬度次于OPP,可拉伸(雙向拉抻)拉后成三角形,底封或邊封

PE

有福爾馬林,透明度稍差

PVA

質地柔軟,透明度好,是一種新型環保材料,遇水溶化,原料均由日本進口,價格昂貴,在國外應用較為廣泛

OPP

透明度好,硬度強

2-1Z525141649-50-lp.jpg

復合袋

封強度牢,可印刷,油墨不會脫落

共擠袋

透明度好,質地柔軟,可印刷

塑料包裝袋按產品結構及用途不同可分為:塑料編織袋和塑料薄膜袋

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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