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Rulon Bearings

Polikim EFALON® C-15 PTFE, 15% Glass Filled
Categories: Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Glass Filled, Molded
Material Notes: C15 and C25 have less thermal expansion, higher wear resistance and less deformation under load compared to virgin Efalon® (PTFE). Applications: Seals, Seal rings, gaskets, valve sets, piston rings, bearings.

Information provided by Polikim Polimer.
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Physical PropertiesMetricEnglishComments
Density 2.15 - 2.25 g/cc0.0777 - 0.0813 lb/in³ASTM D792
Deformation  2.8 - 3.0 %
@Temperature 150 °C,
Time 86400 sec,
Pressure 0.981 MPa		2.8 - 3.0 %
@Temperature 302 °F,
Time 24.0 hour,
Pressure 142 psi		total
 6.0 - 8.0 %
@Temperature 23.0 °C,
Time 86400 sec,
Pressure 13.7 MPa		6.0 - 8.0 %
@Temperature 73.4 °F,
Time 24.0 hour,
Pressure 1990 psi		permanent; ASTM D621
 11 - 15 %
@Temperature 23.0 °C,
Time 86400 sec,
Pressure 13.7 MPa		11 - 15 %
@Temperature 73.4 °F,
Time 24.0 hour,
Pressure 1990 psi		total; ASTM D621
 18 - 19 %
@Temperature 150 °C,
Time 86400 sec,
Pressure 4.90 MPa		18 - 19 %
@Temperature 302 °F,
Time 24.0 hour,
Pressure 711 psi		total
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 60 - 6460 - 64ASTM D2240
Tensile Strength, Ultimate 17.2 - 25.5 MPa2490 - 3700 psiASTM D638
Elongation at Break 250 - 280 %250 - 280 %ASTM D638
Compressive Strength 5.88 - 6.37 MPa853 - 925 psi1% Deformation; ASTM D695
Izod Impact, Notched (ISO) 14.0 - 15.5 kJ/m²6.66 - 7.38 ft-lb/in²ASTM D256
Coefficient of Friction 0.0600.060
Coefficient of Friction, Static 0.0500.050
Limiting Pressure Velocity 0.00343 - 0.00352 MPa-m/sec97.9 - 100 psi-ft/min3 m/min
 0.00409 - 0.00441 MPa-m/sec117 - 126 psi-ft/min30 m/min
 0.00507 - 0.00523 MPa-m/sec145 - 149 psi-ft/min300 m/min
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity >= 1.00e+13 ohm-cm>= 1.00e+13 ohm-cmASTM D257
Surface Resistance >= 1.00e+15 ohm>= 1.00e+15 ohm50% rel. humidity; ASTM D257
Dielectric Constant 2.3 - 2.5
@Frequency 50.0 - 1.00e+7 Hz		2.3 - 2.5
@Frequency 50.0 - 1.00e+7 Hz		ASTM D150
Dielectric Strength 16.0 - 19.0 kV/mm
@Thickness 0.100 mm		406 - 483 kV/in
@Thickness 0.00394 in		short term; ASTM D149
Dielectric Loss Index 0.00075
@Frequency 50 Hz		0.00075
@Frequency 50 Hz		dry
 
Thermal PropertiesMetricEnglishComments
CTE, linear  90.0 - 160 µm/m-°C
@Temperature 25.0 - 200 °C		50.0 - 88.9 µin/in-°F
@Temperature 77.0 - 392 °F		ASTM D696
 120 - 145 µm/m-°C
@Temperature 25.0 - 100 °C		66.7 - 80.6 µin/in-°F
@Temperature 77.0 - 212 °F		ASTM D696
 150 - 180 µm/m-°C
@Temperature 25.0 - 300 °C		83.3 - 100 µin/in-°F
@Temperature 77.0 - 572 °F		ASTM D696
Thermal Conductivity 0.335 - 0.377 W/m-K2.32 - 2.61 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 270 °C518 °Fcontinuous
Minimum Service Temperature, Air -260 °C-436 °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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