Polyimide film series

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Polyimide film and F46 composite film have excellent high and low temperature resistance, electrical insulation, adhesion, radiation resistance and dielectric resistance, and can be used for a long time in the temperature range from -269°Cto+400°C. The composite film also has the characteristics of self-adhesive sealing at high temperature. They can be used as insulation layer of printed circuit substrate, flat circuit, wire and cable, electromagnetic wire and various motor insulation. At present, it has been widely used in aircraft, spacecraft, nuclear industry, nuclear submarine, electric locomotive, audio devices, instrument communication, petrochemical and other industrial sectors.

Index name		H-type film			HF composite film	FHF composite film
Specifications	Thickness (deviation) mm	0.02-0.03 （±0.003）	0.031-0.04 （±0.004）	0.041-0.20 （±0.005）	0.03-0.12 （±0.005）	0.04-0.12 （±0.006）
	width mm	6-1000	6-1000	6-1000	6-1000	6-1000
	length mm	≥65	≥50	≥70	≥50	≥40
appearance		Transparent or translucent gold film. The surface is smooth without pinholes, bubbles and conductive impurities. The edge is neat without damage.
tensile strength Mpa（kgf/cm²）		≥135 （≥1350）	≥135 （≥1350）	≥145 （≥1450）	≥90 （≥900）	≥60 （≥600）
elongation at break %		≥60	≥60	≥65	≥40	≥40
peel strength N/2.5cm(gf/2.5cm)					≥6 （≥600）	≥6 （≥600）
Breakdown strength MV/m		≥180	≥180	≥160	≥120	≥120
Surface resistivity 200℃/Ω		≥1013	≥1013	≥1013	≥1013	≥1013
Volume resistivity 200℃/Ω·m		≥1010	≥1010	≥1010	≥1010	≥1010
Dielectric coefficient（48-62HZ）		3-4	3-4	3-4	2-3	2-3
Tangent of dielectric loss angle（48-62HZ）		10.3	10.3	10.3	10.3	10.3
Provide thickness 0.025-0.2mm, width 1000mm