Stretch Film Mainly used for metallized film capacitor and foil type capacitor.Capacitor polyester filmfor the capacitor dielectric, as well as transformer of coil and insulating layer between the etc. The product specification: thick degree wide degrees roll within core diameter 3 ~ 25 um 300 ~ 1400mm 76mm Note: other specifications are available according to the customer request production. Characteristics: insulation performance is good, dielectric properties is good; chemical corrosion-resistant, thermal shrinkage and thickness stability.