Classification of plastic packaging bags

Advantage characteristics

CPP

Non toxic, composable, better transparency than PE, slightly worse hardness. The texture is soft, with the transparency of PP and the softness of PE.

PP

The hardness is inferior to OPP, and can be stretched (bi-directional stretching) to form a triangle, bottom seal or side seal

PE

Formalin, less transparent

PVA

With soft texture and good transparency, it is a new type of environmental protection material. It dissolves in water. The raw materials are imported from Japan, which is expensive and widely used abroad

OPP

Good transparency and strong hardness

Composite bag

Strong sealing strength, printable, ink will not fall off

Coextrusion bag

Good transparency, soft texture, printable

Plastic packaging bags can be divided into plastic woven bags and plastic film bags according to product structure and purpose