The polyimide composite film

The polyimide composite film (FH、FHF) was formed by the polyimide film coated with F-46 emulsion on one-side or both sides. This product featuring excellent high and low temperature resistance, good electrical insulating,radiation-resistance and selfbonding seal is suitable for insulating layer of electrical wire and cable, magnet wire and etc.

Item No	Specifications	Unit	Technical Index
Item No	Specifications	Unit	FH type	FHF type
1	Appearance	——	Trans of semitransparent golden film
2	Thickness (tolerance)	mm (%)	0.0375～0.12 (±8)	0.04～0.12 (±8)
3	Width	mm	8-500	8-500
4	Length	m	≥500	≥500
5	Tensile strength	MPa	≥120	≥120
6	Percentage of rupture elongation	%	≥40	≥40
7	Peel strength(fluororesin to film)	N/25mm	≥6	≥6
8	Power frequency electrical intensity	MV/m	≥150	≥150
9	Volume specific resistance,200℃	Ω.m	≥1.0×10¹⁰	≥1.0×10¹⁰
10	Relative dielectric constant,50Hz	——	≤3.9	≤3.9
11	Dielectric loss factor, 50Hz	——	≤1.0×10^-3	≤1.0×10^-3