The production of BOPP film is to make the melt of high-molecular polypropylene into a sheet or thick film through a long and narrow head, and then in a dedicated stretching machine at a certain temperature and set speed, simultaneously or in steps.
Injection molding products are plastic injection molding machines that are plasticized and melted by injection molding, and then injected into the cavity of the molding die.
As a BOPA PE Pipes Film Supplier, there is a message you would like to share with everyone. The main problems of appearance: gas, flower, burnt, mixed color, black spots, lack of glue, drag, white, and front.