Polyester film (PET), nylon film (PA), aluminum film introduction
Polyester film is made of polyethylene terephthalate (PEG) as raw material, which is extruded into thick sheets and then made by bidirectional stretching. It is a colorless, transparent, glossy film, good mechanical properties, high rigidity, hardness and toughness, and durability, friction resistance, high temperature and low temperature resistance, chemical resistance, oil resistance, good air tightness and sweet, is one of the commonly used resistance composite membrane permeability base material, but the polyester film price is higher, the general thickness of 12 microns, the outer layer of the commonly used for cooking and packaging materials, Good printing adaptability.
07-02 / 2021