Masterbatch is an additive specially used for coloring plastic products and plays an extremely important role in the preparation of BOPET cast film.BOPET is a kind of polyester film, which is widely used in food packaging, pharmaceutical packaging, electronic product packaging and other fields.In the production process of BOPET cast film, adding a masterbatch can realize the customization of the color of the film, effectively improving the appearance quality and market competitiveness of the product.
