10Kg Coated Woven PP Sacks 50Kg Printed Woven Polypropylene Sacks

1. BOPP laminated wpp bags

One of the lastest trends in the packaging industry is the Bopp laminated wpp bags. They have been widely used to packing many dry goods, including BOPP laminated feed bags, Bopp laminated fertilizer bags, Bopp laminated pet food bags.

BOPP laminated wpp bag has superior phototgraphic appreace and good advertising effect.

BOPP film is a thermoplastic polymer film of polypropylene with an orderly molecular structure formed by the biaxial orientation process. This process improves the optical and gas barrier properties of the film. With excellent clarity, high tensile and impact strength, good dimensional stability and flatness, low electrostatic charge, corona treatment on one or both sides, waterproof and moisture repellant, excellent transparency, lower density, gas and moisture barrier properties, and is recyclable, Bopp film can be used as a substitute for cellophane, PVC, IPP, CPP, PE and other plastic films for enhancing product functions and thus prove to be highly cost-efficient.

Bopp laminated polypropylene is the acronym for biaxially oriented polypropylene (outside) over polypropylene (woven interior), a petroleum byproduct. It refers to the combination of woven polypropylene used to construct the bags and an additional layer, or laminated surface, of polypropylene, on which graphic images are printed. In constructing the bags, the raw polypropylene material is first extruded, then slit into individual strands, then wound like yarn. The yarn-like material ia placed on a knitting machine, which weaves the fabric used to make the bags. Extruded polypropylene is a very strong material, but when woven, its structural itegrity is dramatically enhanced, providing the superior product protection on which BOPP/PP bags have built their reputation.

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