... insulation, solar photovoltaic, laser, care cards and other high-end fields.PET film is widely used in various ... 3. Good optical properties, good transparency, low haze, high gloss 4. Wide temperature range (- 60 ~120 degrees, ... insulation polyester film, solar back material polyester film, flame retardant polyester film, low extraction polyester film, antistatic polyester film, laser polyester film, ...