... good electrical capability 2, low contractibility 3, low hygroscopic 4, high heat-resistance 5. excellent insulation PET Film(insulation material)Product ... of dry-type transformer. It is substitute of laminated glass fabric tube as soft insulating tube.PET ... use for packaging, printing, laminating,metallizing, decroation, electrical insulation.Main Tech Specs No.Index NameUnit0.5PETfilm1.1PETfilm1. ...