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Plastic packaging bag



qizhenapp
12/30/19 03:24:34
Posts: 4,828
Rabid Fan
Plastic packaging bag

Plastic packaging bag is a kind of packaging bag with plastic as raw material, which is widely used in daily life and industrial production. Most of the commonly used plastic packaging bags are made of polyethylene film, which is non-toxic, so it can be used to contain food. Another kind of film is made of PVC. PVC itself is non-toxic, but the additives added according to the purpose of the film are often harmful to human body and have certain toxicity. Therefore, this kind of film and the plastic bag made of this film are not suitable for containing food.High End Metallic Shiny Pearl Pink Surface Flat Folding Packing Cosmetic Set Gift Box
Plastic packaging bags can be divided into OPP, CPP, PP, PE, PVA, EVA, composite bags, coextrusion bags and so on.
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
Woven bag
The plastic woven bag is composed of polypropylene bag and polyethylene bag according to the main materials;Pre Tied Mini Ribbon Bows With Self Adhesive Backs
According to the sewing method, it can be divided into sewing bottom bag and sewing edge bottom bag.
A kind of packing material widely used in fertilizer, chemical products, etc. Its main production process is to use plastic raw materials to extrude film, cut and stretch in one direction as flat wire, and to weave products through warp and weft, which is generally called woven bag
Features: light weight, high strength, corrosion resistance and other features, after adding the plastic film lining, it can be moisture-proof and moisture-proof; the load of light bags is less than 2.5kg, the load of medium bags is 25-50kg, and the load of heavy bags is 50-100kg.Customize Strong Flat Folding Paper Gift Magnetic Packaging Box Handmade Rigid Paper Folding Cosmetic Package Gift Box



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