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Rulon Bearings

Guarniflon PTFE G420 Polytetrafluoroethylene 50% Steel
Categories: Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Molded

Material Notes: PTFE G Special Compound with steel

Information provided by Guarniflon®

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Physical PropertiesMetricEnglishComments
Density 3.25 - 3.35 g/cc0.117 - 0.121 lb/in³molded; ASTM D792
Deformation  5.5 - 6.5 %
@Pressure 13.7 MPa,
Time 86400 sec
5.5 - 6.5 %
@Pressure 1990 psi,
Time 24.0 hour
after 24hr relaxation; ASTM D621
 10 - 10.5 %
@Pressure 13.7 MPa,
Time 86400 sec
10 - 10.5 %
@Pressure 1990 psi,
Time 24.0 hour
ASTM D621
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 65 - 7065 - 70molded; ASTM D2240
Tensile Strength 17.0 - 23.0 MPa2470 - 3340 psimolded; ASTM D4745
Elongation at Break 180 - 230 %180 - 230 %molded; ASTM D4745
Compressive Yield Strength 10.0 - 10.5 MPa
@Strain 1 %
1450 - 1520 psi
@Strain 1 %
ASTM D695
Coefficient of Friction, Dynamic 0.130.13
K (wear) Factor 20.0 - 30.0 x 10-8 mm³/N-M9.93 - 14.9 x 10-10 in³-min/ft-lb-hrat PV 100; ASTM D3702
 
Thermal PropertiesMetricEnglishComments
CTE, linear 100 - 120 µm/m-°C55.6 - 66.7 µin/in-°FASTM D696
Maximum Service Temperature, Air 260 °C500 °F
Minimum Service Temperature, Air -200 °C-328 °F

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 view all the property values for this datasheet as they were originally entered into MatWeb.

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