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Rulon Bearings

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Guarniflon PTFE G458 Polytetrafluoroethylene 60% Bronze, 2% Carbon
Categories: Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Bronze Filled
Material Notes: PTFE G Standard Compound with bronze
Properties: Enhanced compressive strength. Good wear resistance and high thermal conductivity.
Application: Unlubricated bearings for high speed excluding hard surfaces

Information provided by Guarniflon®
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Physical PropertiesOriginal ValueComments
Density 3.80 - 3.88 g/ccextruded; ASTM D792
 3.80 - 3.90 g/ccmolded; ASTM D792
Deformation 1.5 - 2.5 %
@Pressure 13.7 MPa,
Time 86400 sec		after 24hr relaxation; ASTM D621
 5.0 - 6.0 %
@Pressure 13.7 MPa,
Time 86400 sec		ASTM D621
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 65 - 70molded; ASTM D2240
 65 - 70extruded; ASTM D2240
Tensile Strength >= 13.0 MPaextruded; ASTM D4894, ASTM D4745
 17.0 - 23.0 MPamolded; ASTM D4894, ASTM D4745
Elongation at Break >= 80 %extruded; ASTM D4745
 100 - 160 %molded; ASTM D4894
Compressive Yield Strength 10.0 - 11.0 MPa
@Strain 1 %		ASTM D695
Coefficient of Friction, Dynamic 0.13ASTM D1894
K (wear) Factor >= 10.0 x 10-8 mm³/N-Mat PV 100; ASTM D3702
 
Thermal PropertiesOriginal ValueComments
CTE, linear 80.0 - 90.0 µm/m-°CASTM D696
Maximum Service Temperature, Air 260 °C
Minimum Service Temperature, Air -200 °C

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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PGUARN011 / 142744

Aluminum Castings




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