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Elmet Technologies

Overview of materials for Polytetrafluoroethylene (PTFE), Mica Filled
Categories: Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Mica Filled
Material Notes: This property data is a summary of similar materials in the MatWeb database for the category "Polytetrafluoroethylene (PTFE), Mica Filled". Each property range of values reported is minimum and maximum values of appropriate MatWeb entries. The comments report the average value, and number of data points used to calculate the average. The values are not necessarily typical of any specific grade, especially less common values and those that can be most affected by additives or processing methods.
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Physical PropertiesMetricEnglishComments
Density 2.24 - 2.33 g/cc0.0809 - 0.0842 lb/in³Average value: 2.29 g/cc Grade Count:7
Water Absorption 0.0300 - 0.100 %0.0300 - 0.100 %Average value: 0.0650 % Grade Count:4
Water Absorption at Saturation 0.200 - 2.00 %0.200 - 2.00 %Average value: 0.667 % Grade Count:3
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 50.0 - 55.050.0 - 55.0Average value: 51.7 Grade Count:3
Hardness, Shore D 60.0 - 70.060.0 - 70.0Average value: 64.7 Grade Count:6
Ball Indentation Hardness 40.0 - 135 MPa5800 - 19600 psiAverage value: 91.7 MPa Grade Count:3
Tensile Strength, Ultimate 6.89 - 23.0 MPa1000 - 3340 psiAverage value: 11.2 MPa Grade Count:5
Elongation at Break 6.50 - 300 %6.50 - 300 %Average value: 102 % Grade Count:7
Modulus of Elasticity 1.45 - 2.07 GPa210 - 300 ksiAverage value: 1.75 GPa Grade Count:3
Flexural Yield Strength 13.8 - 15.2 MPa2000 - 2200 psiAverage value: 14.3 MPa Grade Count:3
Compressive Yield Strength 10.5 - 27.6 MPa1520 - 4000 psiAverage value: 19.9 MPa Grade Count:3
Coefficient of Friction 0.0300 - 0.3000.0300 - 0.300Average value: 0.158 Grade Count:6
Coefficient of Friction, Static 0.0800 - 0.3200.0800 - 0.320Average value: 0.192 Grade Count:4
K (wear) Factor 4.03 - 1210 x 10-8 mm³/N-M2.00 - 600 x 10-10 in³-min/ft-lb-hrAverage value: 461 x 10-8 mm³/N-M Grade Count:3
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1.00e+10 - 1.00e+15 ohm-cm1.00e+10 - 1.00e+15 ohm-cmAverage value: 2.51e+14 ohm-cm Grade Count:4
Surface Resistance 1.00e+10 - 1.00e+13 ohm1.00e+10 - 1.00e+13 ohmAverage value: 4.14e+12 ohm Grade Count:5
Dielectric Constant 2.58 - 2.852.58 - 2.85Average value: 2.72 Grade Count:4
Dielectric Strength 7.00 - 25.0 kV/mm178 - 635 kV/inAverage value: 11.8 kV/mm Grade Count:5
 
Thermal PropertiesMetricEnglishComments
CTE, linear 45.0 - 103 µm/m-°C25.0 - 57.0 µin/in-°FAverage value: 77.5 µm/m-°C Grade Count:3
Thermal Conductivity 0.440 - 0.764 W/m-K3.05 - 5.30 BTU-in/hr-ft²-°FAverage value: 0.654 W/m-K Grade Count:3
Melting Point 327 - 327 °C621 - 621 °FAverage value: 327 °C Grade Count:5
Maximum Service Temperature, Air 260 °C500 °FAverage value: 260 °C Grade Count:6
Deflection Temperature at 1.8 MPa (264 psi) 98.9 - 132 °C210 - 270 °FAverage value: 110 °C Grade Count:3
Minimum Service Temperature, Air -200 - -50.0 °C-328 - -58.0 °FAverage value: -117 °C Grade Count:3
Flammability, UL94 V-0V-0Grade Count:5

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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O1901 / 77906

Ensinger PEI




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