Structure and Properties of Polyester Film
Polyester film is very common for users. As we all know, polyester film is made of polyethylene terephthalate as raw material, made of thick film by extrusion, and then biaxially stretched. Polyester film is widely used in glass and steel industry, building materials industry, printing industry, medicine and health. Polyester film is also called polyester film, light film, polyester film, photosensitive paper, polyester film, benzol film, glass paper, and off type film
As we all know, polyester film is generally priced. Usually polyester film is colorless, transparent and glossy thin film (now can be added to the additive particles to make it have color). It has excellent mechanical properties, high rigidity, hardness and toughness, resistance to puncture, friction, high temperature and low temperature, chemical resistance, oil resistance, air tightness and fragrance retention. It is one of the commonly used barrier composite film substrates, but it has poor corona resistance.