Features: 1) Backing: polyimide film 2) Adhesive: silicone 3) Length: 33m / 50m 4) Width: 500mm, 640mm, 1,000mm Specifications: 1) Backing thickness: 0.025mm 2) Total thickness: 0.06mm 3) Tensile strength: 115N/inch 4) Elongation: 50% 5) Adhesion: 6.2N/inch 6) Breakdown voltage: 7kV 7) Extended heat-resistance: 270deg;C (30 minutes) 8) Insulation class: H180°C 9) Good heat-resistant and fire-preventing properties, suitable for the use of transformer and coil wounding, as well as protection of PCB gold finger contacts and capacitors