Guarniflon PTFE G453 Polytetrafluoroethylene 25% Carbographite

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Guarniflon PTFE G453 Polytetrafluoroethylene 25% Carbographite
Categories:	Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Conductive Carbon Filled
Material Notes:	PTFE G Standard Compound with carbon.. Properties: Good thermal and electrical conductivity. Good resistance to deformation. Excellent resistance to load with low coefficient of friction and high wear strength. Enhanced chemical resistance Applications: Bearings for high speed and when fast dissipation of electric charges is needed. Elastic bands for unlubricated compressors. Valve seats. Information provided by Guarniflon®
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Physical Properties	Metric	English	Comments

Density	2.04 - 2.10 g/cc	0.0737 - 0.0759 lb/in³	extruded; ASTM D792
	2.05 - 2.11 g/cc	0.0741 - 0.0762 lb/in³	molded; ASTM D792
Deformation	2.5 - 4.0 % @Pressure 13.7 MPa, Time 86400 sec	2.5 - 4.0 % @Pressure 1990 psi, Time 24.0 hour	after 24hr relaxation; ASTM D621
	5.0 - 6.0 % @Pressure 13.7 MPa, Time 86400 sec	5.0 - 6.0 % @Pressure 1990 psi, Time 24.0 hour	ASTM D621

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	62 - 67	62 - 67	molded; ASTM D2240
	62 - 67	62 - 67	extruded; ASTM D2240
Tensile Strength	>= 12.0 MPa	>= 1740 psi	extruded; ASTM D4894, ASTM D4745
	14.0 - 18.0 MPa	2030 - 2610 psi	molded; ASTM D4894, ASTM D4745
Elongation at Break	>= 50 %	>= 50 %	extruded; ASTM D4745
	70 - 120 %	70 - 120 %	molded; ASTM D4894
Compressive Yield Strength	7.00 - 9.00 MPa @Strain 1 %	1020 - 1310 psi @Strain 1 %	ASTM D695
Coefficient of Friction, Dynamic	0.11	0.11	ASTM D1894
K (wear) Factor	16.0 - 20.0 x 10^-8 mm³/N-M	7.94 - 9.93 x 10^-10 in³-min/ft-lb-hr	at PV 100; ASTM D3702

Thermal Properties	Metric	English	Comments
CTE, linear	100 - 120 µm/m-°C	55.6 - 66.7 µin/in-°F	ASTM D696
Maximum Service Temperature, Air	260 °C	500 °F
Minimum Service Temperature, Air	-200 °C	-328 °F

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PGUARN010 / 142743

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