PTFE (POLYTETRAFLUOROETHYLENE) COMPOUNDS

PTFE molded articles show superior heat and chemical resistance and extremely low friction surface, but frequently they are utilized in composite forms to improve mechanical strength.

MITSUFUKU INDUSTRY CO., LTD. offers the optimum formulation of Compound for the requirement of each application.

STANDARD FILLER MATERIALS

filler	shape	function
glass fiber	milled fiber, dia10-15μm pass	wear resistance
carbon	amorphous carbon, 75μm pass	wear-,coldflow-resistance
graphite	crystal carbon, 40-50μm pass	coldflow-resistance,hardness
bronze	Cu-Sn alloy, 40μm pass	coldflow resist. electroconductive
MoS2	40μm pass	non-friction
carbon fiber	milled fiber, dia8-10μm	coldflow resist. electroconductive
engineering plastics	pps,peek,ekonol,polyimide,etc	coldflow resist.,non-abrasion of counter metal

- APPLICATION -

STANDARD FILLER MATERIALS

properties	unit / method	glass fiber 15%	glass fiber 25%	carbon 15%	bronze 60%	glass fiber 20% carbon 5%	glass fiber 15% MoS2 5%	carbon fiber 15%
specific gravity		2.20	2.23	2.13	3.70	2.22	2.04	2.04
tensile strength	MPa(JIS K6891)	25	20	19	17	22	22	20
elongation	%(JIS K6891)	300	260	270	200	270	280	280
compressive strength	MPa(1% transform 24˚C)	7.5	8.5	7.5	10.4	9.0	7.8	8.5
creep under load	%(2000psi,24hrs,24˚C)	8.8	7.9	5.6	3.1	4.4	5.6	3.3
hardness	Duro meter D(24˚C)	60	63	62	70	61	60	60
friction coefficient	static2kg/cm2 kinetic2kg/cm2, 50m/min.	0.05 0.10	0.07 0.12	0.05 0.10	0.08 0.12	0.07 0.10	0.04 0.07	0.15
wear factor	mm/km/MPa X 10-6	1.2	1.0	6.7	0.7	0.5	1.0	1.0
heat conductivity	Kcal/m/hr/˚C	0.29	0.34	0.34	0.42	0.32	0.28	0.40

: pressure direction  /   : cross direction

Any other compounds are available on request.