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OPP packaging bag

The main material of OPP packaging bag is OPP, Chinese name (polypropylene) hereinafter referred to as “OPP bag” density 0.96 < water, shaking film, crisp sound, burning flame is yellow and blue, melting and dripping, less smoke after leaving the fire , can continue to burn. It is characterized by high transparency, non-biaxially stretched single-piece […]