Properties of polyester film


Generally, polyester film is colorless, transparent and glossy film (additive particles can now be added to make it have color). It has excellent mechanical properties, high rigidity, hardness and toughness, puncture resistance, friction resistance, high and low temperature resistance, chemical resistance, oil resistance, air tightness and fragrance retention. It is one of the commonly used composite film substrates of resistance, but its corona resistance is not good.