The opp is called polypropylene film, which is an economical and lightweight plastic packaging material. OPP heat seal film has good transparency, high gloss, good humidity resistance, good heat resistance, easy heat sealing.
The opp is called polypropylene film, which is an economical and lightweight plastic packaging material. OPP heat seal film has good transparency, high gloss, good humidity resistance, good heat resistance, easy heat sealing.
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