Guarniflon PTFE G427 Polytetrafluoroethylene 40% Bronze, 5% Molybdenum Disulfide

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Guarniflon PTFE G427 Polytetrafluoroethylene 40% Bronze, 5% Molybdenum Disulfide
Categories:	Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Bronze Filled
Material Notes:	PTFE G Special Compound with bronze and molybdenum disulphite Information provided by Guarniflon®
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Physical Properties	Metric	English	Comments

Density	3.15 - 3.25 g/cc	0.114 - 0.117 lb/in³	molded; ASTM D792
Deformation	6.5 - 7.5 % @Pressure 13.7 MPa, Time 86400 sec	6.5 - 7.5 % @Pressure 1990 psi, Time 24.0 hour	after 24hr relaxation; ASTM D621
	6.5 - 8.0 % @Pressure 13.7 MPa, Time 86400 sec	6.5 - 8.0 % @Pressure 1990 psi, Time 24.0 hour	ASTM D621

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	60 - 67	60 - 67	molded; ASTM D2240
Tensile Strength	23.0 - 28.0 MPa	3340 - 4060 psi	molded; ASTM D4745
Elongation at Break	200 - 250 %	200 - 250 %	molded; ASTM D4745
Compressive Yield Strength	6.50 - 8.00 MPa @Strain 1 %	943 - 1160 psi @Strain 1 %	ASTM D695
Coefficient of Friction, Dynamic	0.13	0.13
K (wear) Factor	10.0 - 15.0 x 10^-8 mm³/N-M	4.96 - 7.45 x 10^-10 in³-min/ft-lb-hr	at PV 100; ASTM D3702

Thermal Properties	Metric	English	Comments
CTE, linear	90.0 - 120 µm/m-°C	50.0 - 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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PGUARN015 / 142748

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