polyimide flexible heater film

polyimide flexible heater film 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 corrosion
4. 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		g/cm3	1.400±0.020
2	Tensile Strength	Vertical	MPa	≥135
		Horizontal		≥115
3	Elongation ratio	Vertical and Horizontal	%	≥35
4	Shrinkage 150°C 400°C		%	≤1.0 ≤3.0
5	Frequency Electrical Intensity	Average Value	MV/m	≥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

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