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HAIFLON^TM FEP Resin

CAS No.:25067-11-2

Perfluorinated ethylene-propylene (FEP) for wire and cable is the copolymer of tetrafluorothylene (TFE) and hexafluoropropylene (HFP) with excellent thermo-stability, outstanding chemical inertness, low friction coefficient, distinctive air aging resistance, vapor penetrating resistance, non-inflammability and superior electrical insulation. It is nearly stabilized in rather wide ranges of temperature and frequency. And it can be widely used as wire and cable in the field of aircraft, spacecraft, communication, computer, electricity instrument, high buildings and high temperature up to 200º for a long time, etc. Due to its excellent interruption & shielding resistance to communication signals, the thermoplastic process techniques can be used to fabricate useful products from FEP.

Specification:

Grade	SQ-082	SQ-204	SQ-408	SQ-812	S1Q-1620	S1Q-2024	SQ2428
Appearance	Clean semitransparent pellet
Melt flowrate (g/10min)	0.8~2.0	2.1~4.0	4.1~8.0	8.1~12.0	16.1~20.0	20.1~24.0	24.1~28.0
Tensile strength (MPa)=	27	26	24	24	20	18	16
Elongation at break(%)=	320	300	300	300	300	280	250
Melting point(?)	265±10
S.S.G	2.12~2.17
Volatile (%)=	0.10
Thermo-stress craze resistance	Very good			Good
Volume resistance (O·cm)	1×1016
Breaking down voltage(KV/mm)	20~24
Dielectric constant(106HZ=)	2.10
Dielectric loss tangent(106HZ)	3.0×10-4				4.0×10-4
Method of Forming	Molding	Extrusion
Purposes	A	B	C	D	E	F

A Lining of heat shrinkable tube, pump, valve & pipe etc. Insulation layer of wire.

B Thick layer wire and cable

C Wire and cable for general purpose

D Thin layer wire

E Wire by high-speed excursion

F Thin layer wire by high-speed excursion