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Polyimide Film

Polyimide Film is made from the synthetic resin polymerized by pyromellitic anhydride and phenyl ether through salivating and continuous bi- directional drawing. It has excellent heat stability, mechanical and dielectric strength, radiation and chemical resistance, used as a perfect class- H electrical and electronic insulation material.

Characters:

* Class H insulation and heat resistance. and can work for a long term under 200℃.

* Execellent dielectric performance.

* Higher mechanical strength, better tear resistance and flexibility.

* Supplied with different width and thickness

Spec.:

Type	PIF-25H	PIF-50H	PIF-75H
Thickness mm	0.025±0.003	0.050±0.005	0.075±0.005
Basic weight g/m²±10%	35	70	105
Width mm	on customers' demand		on customers' demand
Supply size	Supplied in rolls, core diameter: 76mm.

Лcustomization can also be available.

Typical Properties( The follows are just examples not read as guaranteed values)

items	Test methods	Units	Typical Value
1. Visual	The surface should be even and free from wrinkle, blister, adhesive particle impurity.
2.Tensile strength	ASTM/D882	MPa	150
3. Elongation	ASTM/D882	%	45
4.Dielectric strength	ASTM/D149	kV/mm	180
5. Vol. Resistivity,	ASTM/D257	Ω.m	> 1 x 10¹⁰
6. Surface Resistivity,	ASTM/D257	Ω	> 1 x 10¹⁴
7.Dielectric constant	ASTM/D150		3.5±0.4
8.Dielectric dissipation factor	ASTM/D150		≤4.0×10^-3
9.Dimensional Stability	IPC TM 650,2.2.4A	%	≤0.35
10. Temperature index	UL746B（Mech.）	℃	230
10. Temperature index	UL746B（Elec.）		230
11. Moisture absorption	ASTM/D570	%	≤4.0
12. Flammability	UL-94		V-0
13. Specific Gravity	ASTM/D1505		1.42

Storage:

The product is packed in reinforced carton and sealed in plastic film bag. Please keep dry and in room temperature. Shelf life is 24 months.

Application:

Polyimide Film is mainly used in class H motors, transformers , wrapping of temperature-proofing magnet wire and polyimide adhesive tape for electrification, flexible printed circuit board, etc.

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Tel: +86 570 8660431

Fax: +86 570 3891534

Email: info@wjfchemicals.com