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Polyimide film coated with FEP resin

Properties and Applications

Polyimide FEP film (PIFEP) is Polyimide film coated with FEP resin on one side or double sides through the sintering

process at high temperature, which combines the excellent properties of Polyimide film and FEP resin, high& low temp

resistant, radiation resistant, excellent electrical properties, superior dimensional stability and heat sealable properties.

Widely used for insulation in motor, electrical apparatus and wrapping of cable and magnet wire. It can be melt and

formed soon as desired at defined temperature. The following table lists the main technical data of common types of

PIFEP, there are many other combinations, such as 939, 029,039 etc, please feel free to contact us if necessary.

Main Specification

1. Double-sided PIFEP(FHF)

Items		Unit	Values
Items		Unit	616	616C	919	919B	929
Thickness		mm	0.031	0.038	0.05	0.05	0.075
Structure	FEP	mm	0.003	0.006	0.0125	0.01	0.0125
	PI		0.025	0.025	0.025	0.03	0.05
	FEP		0.003	0.006	0.0125	0.01	0.0125
Thickness Tolerance		%	+/-10
Tensile Strength≥	MD	MPa	130	110	100	110	120
Tensile Strength≥	TD	MPa	110	100	80	100	100
Elongation at rupture≥		%	50	50	50	60	50
Breakdown Strength ≥	Average	MV/m	150	150	120	120	120
Breakdown Strength ≥	Individual	MV/m	120	120	110	110	110
Peel Strength(F-F) ≥		N/25mm	6.0
*Surface Resistivity 200+/-5c ≥		Ω	1.0×10¹³
*Volume Resistivity 200+/-5c ≥		Ω·m	1.0×10¹⁰
*Dielectric constant (50Hz)		—	3.5±0.4
* Loss tangent (50Hz) ≤		—	4.0×10^-3

2 Single-Sided PIFEP(FH)

Items		Unit	Value
Items		Unit	019	019B	019C	011	021
Thickness		mm	0.038	0.04	0.05	0.05	0.075
Structure	PI	mm	0.025	0.03	0.04	0.025	0.05
Structure	FEP	mm	0.0125	0.01	0.01	0.025	0.025
Thickness Tolerance		%	+/- 10
Tensile Strength≥	MD	MPa	140	130	140	100	110
Tensile Strength≥	TD	MPa	110	110	120	80	90
Elongation at rupture≥		%	50	60	65	60	60
Breakdown Strength≥	Average	MV/m	150	160	140	120	110
Breakdown Strength≥	Individual	MV/m	120	120	120	100	100
Peel Strength(F-PI) ≥		N/25mm	6.0
*Surface Resistivity 200+/-5c ≥		Ω	1.0×10¹³
*Volume Resistivity 200+/-5c ≥		Ω·m	1.0×10¹⁰
* Dielectric constant (50Hz)		—	3.5±0.4
* Loss tangent (50Hz) ≤		—	4.0×10^-3

Note: The items marked * are the inherent properties of Polyimide Film, which are not showed on the testing report for outgoing factory.

Product Supply:
1. Width: 6~500mm; Core ID:76mm, Core materials: Paper or plastic;
2. Roll OD:200~250mm, Roll Type: Pad roll and Transverse roll(universal)
3. Package: Inside: Polythene Film, Outside: Carton or wooden case.
4. Min Qty: 200kgs each size in a lot.
　

Application：

1, For wrapping of magnet wire and cable in Submersible Oil Pump, traction motors, aerospace motors, drilling

pumps, transportation equipments, electrical instruments, communication equipments etc.

2, For insulation of Flexible Heater.

Note:

1.Above values are the accumulative typical ones by recognized testing method, but, in order to ensure you to

select our products properly, please refer to above specification and test the samples based on your using

purpose or feel free to contact our engineers for further and better understanding.

2. The color is only confirmed by samples.

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Http://www.electro-insulation.com Email: EI@electro-insulation.com