Polyimide film

Polyimide film

2021-05-12

Description:Polyimide film is a kind of high performance polymer through polycondesation of symbenzene tetracarbonic acid dianhydride and diaminodiphenyl ether, which combines excellent physical, electrical and mechanical properties at temperatures as low as -269℃(-452℉) to as high as +400℃(+752℉).

Features

∙ Wide range of temperature from -269℃(-452℉) to +400℃(+752℉).
∙ Excellent electrical insulation properties
∙ Flame and radiation retardant
∙ Easy coating

Application

∙ Wire and cable insulation, interlayer insulation in motor, transformer etc
∙ Polyimide adhesive tape or polyimide laminates
∙ Polyimide tubing
∙ Polyimide label          



Technical parameter

Performance Company Index value
Width um(mil) 12.5(0.5) 15(0.6) 25(1) 40(1.6) 50(2) 75(3) 100(4) 125(5)
Density g/cm3 1.42±0.2
Tensile strength MD≥ Mpa 140 150 170 170 165 150 145 130
TD≥   115 120 165 165 140 135 120 110
Elongation rate≥   % 35 35 50 50 60 60 60 60
Breakdown strength(48-62Hz)≥ Average value MV/m 160 160 180 170 160 145 120 115
Surface resistivity 200℃(392F)≥ Ω 1.0X1013
Volume resistivity 200℃(392F)≥ Ω/m 1.0X1010
Dielectric constant 48-62Hz  - 3.5±0.4
Loss tangent 48-62Hz  - 4.0X10-3


Slitting and packing
1. Width:500mm, 2-500mm can be customized slitting
2. Length: 33m, 66m, can be customized
3. Plastic core internal diameter:76mm(3”), 38mm(1.5”)
4. Packing: carton or pallet

Note: Above data is the accumulative value by using the recognized test methods. In order to ensure the correct selection of the products, please refer the specification and test sample, or feel free to contact our technical service to provide you with further services.

Polyimide film