Composite Mylar PET Film

Composite Mylar PET Film Product Description Composite mylar PET film for insulating tube is a soften composite material of multi-layer mylar PET film smeared with bond. Characteristics and Applications The product has good electrical capability, low contractibility, low hygroscopic and high heat-resistance. It is mainly used between high-low voltage coil of dry-type transformer. It is substitute of laminated glass fabric tube as soft insulating tube. Main Tech Specs No.ItemU it0.5PETfilm1.1PETfilm1.4PETfilm1Thicknessmm0.51.11.42Thickness Tolerance%±10±10±103Quantitativeg/squaremeter710150020004Quantitative Tolerance%±12±12±125Single Layer Thicknessmm0.250.350.356Puncture VoltagekV≥25≥30≥357Relative Dielectric Constant 50Hz-3.0 3.48Dielectric Loss Factor 50Hz-≤6.0×10-39Surface ResistivityΩ≥1.0×1015Products of different standards can be supplied in accordance with specification of users. Demonstration