BOPP GRANULE

BOPP GRANULE  is the abbreviation for Biaxially Oriented Polypropylene, which refers to biaxially oriented polypropylene film. Its production involves first making polymer polypropylene melt into sheets or thick films through a narrow machine head, and then stretching it in two vertical directions (longitudinal and transverse) at a certain temperature and set speed in a dedicated stretching machine, and then making a thin film through appropriate cooling or heat treatment or special processing (such as corona discharge, coating, etc.).

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