In daily life, plastic bags are widely used. They are everywhere in supermarkets, canteens, and fruit shops. Do you know their basic materials?

There are many materials used in plastic bags, the most common and most commonly used in life are
PE, PO, PP, OPP, EVA, PVC, CPE, PPE.
The materials used in the field of more complex composite bags are more extensive, including
①KOP (coated biaxially oriented polypropylene)
②MATOPP (biaxially oriented polypropylene matte film)
③PCO (double-sided or single-sided heat-sealed biaxially oriented polypropylene)
④PL (biaxially oriented polypropylene pearlescent film)
⑤PET (polyethylene terephthalate film)
⑥KPET (coated polyethylene terephthalate film)
⑦NY (Nylon)
⑧AL (aluminum foil)
⑨PE (polyethylene)
⑩CPP (unstretched polypropylene)
VMCPP (Aluminized Unstretched Polypropylene)
VMPET (aluminized polyester film)