High Temperature Gold Polyimide Film

high temperature Gold  polyimide film for tape Polyimide Film is a kind of new heat-resistance organic polymer film. It is the best insulation film in the world at present. Excellent properties: 1. High temperature resistant,2.Resistance to radiation,3.Resistance to chemical corrosion4. Electric insulation performance Application: It is widely applicable to various fields, like Circuit board base material , High temperature resistant motor electrical insulating materials  ,navigation, spaceship, rocket missile, atomic energy and electrical and electric industry. Technical Index: No. Test Item Unit Standard 25μm 30μm 40μm 50μm 75μm 100μm 1 Density gcm3 1.400±0.020 2 Tensile Strength Vertical MPa ≥135 Horizontal ≥115 3 Elongation ratio Vertical and Horizontal % ≥35 4 Shrinkage150°C400°C % ≤1.0≤3.0 5 Frequency Electrical Intensity Average Value MVm ≥150 ≥130 ≥110 Individual Value ≥100 ≥80 ≥70 6 Surface Resistivity (200°C) Ω ≥1.0X1013 7 Volume Resistivity (200°C) Ω·M ≥1.0X1010 8 Relative Dielectric Constant 48-62Hz   3.5±0.4 9 Dielectric Loss Factor 48-62Hz   ≤4.0X10-3 10 Long-term Heat-Resistance Temperature Index   ≤180.