Overview of materials for Polytetrafluoroethylene (PTFE), Carbon Fiber Filled

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Overview of materials for Polytetrafluoroethylene (PTFE), Carbon Fiber Filled
Categories:	Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Carbon Fiber Filled
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Polytetrafluoroethylene (PTFE), Carbon Fiber 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 Properties	Original Value	Comments

Density	1.98 - 2.65 g/cc	Average value: 2.12 g/cc Grade Count:43
Filler Content	15.0 - 25.0 %	Average value: 20.0 % Grade Count:4
Water Absorption	0.000 %	Average value: 0.000 % Grade Count:3
Particle Size	25.0 - 800 µm	Average value: 505 µm Grade Count:4

Mechanical Properties	Original Value	Comments
Hardness, Shore D	55.0 - 80.0	Average value: 63.2 Grade Count:32
Ball Indentation Hardness	25.0 - 57.0 MPa	Average value: 44.0 MPa Grade Count:8
Tensile Strength, Ultimate	3.00 - 27.6 MPa	Average value: 16.4 MPa Grade Count:38
Tensile Strength, Yield	13.8 - 20.0 MPa	Average value: 15.9 MPa Grade Count:6
Elongation at Break	3.00 - 2000 %	Average value: 203 % Grade Count:43
Flexural Yield Strength	8.83 - 20.0 MPa	Average value: 12.8 MPa Grade Count:3
Compressive Yield Strength	6.86 - 29.0 MPa	Average value: 11.1 MPa Grade Count:14
Shear Strength	10.3421 - 15.8579 MPa @Temperature 26.7 - 204 °C	Average value: 12.5 MPa Grade Count:1
Coefficient of Friction	0.0800 - 0.250	Average value: 0.131 Grade Count:21
Coefficient of Friction, Static	0.0500 - 0.300	Average value: 0.134 Grade Count:18
K Factor (Wear Factor)	0.0150 - 0.120	Average value: 0.0450 Grade Count:3
K (wear) Factor	2.01 - 12.1 x 10^-8 mm³/N-M	Average value: 8.73 x 10^-8 mm³/N-M Grade Count:3

Electrical Properties	Original Value	Comments
Electrical Resistivity	100 - 1.00e+7 ohm-cm	Average value: 2.23e+6 ohm-cm Grade Count:18
Surface Resistance	1000 - 1.00e+7 ohm	Average value: 2.36e+6 ohm Grade Count:14
Dielectric Strength	2.00 - 19.0 kV/mm	Average value: 5.70 kV/mm Grade Count:4

Thermal Properties	Original Value	Comments
CTE, linear	54.0 - 150 µm/m-°C	Average value: 97.0 µm/m-°C Grade Count:11
	92.0 - 223.2 µm/m-°C @Temperature 30.0 - 300 °C	Average value: 125 µm/m-°C Grade Count:5
CTE, linear, Transverse to Flow	75.0 - 109 µm/m-°C @Temperature 30.0 - 250 °C	Average value: 90.3 µm/m-°C Grade Count:2
Thermal Conductivity	0.260 - 0.988 W/m-K	Average value: 0.544 W/m-K Grade Count:14
	0.290 - 0.310 W/m-K @Temperature 100 - 250 °C	Average value: 0.300 W/m-K Grade Count:1
Melting Point	327 °C	Average value: 327 °C Grade Count:10
Maximum Service Temperature, Air	200 - 280 °C	Average value: 261 °C Grade Count:22
Minimum Service Temperature, Air	-260 - -20.0 °C	Average value: -166 °C Grade Count:22
Flammability, UL94	V-0	Grade Count:8

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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O1905 / 77910

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