Overview of materials for Polytetrafluoroethylene (PTFE), Glass Filled, Molded

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Overview of materials for Polytetrafluoroethylene (PTFE), Glass Filled, Molded
Categories:	Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Glass Filled, Molded
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Polytetrafluoroethylene (PTFE), Glass Filled, Molded". 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	1.40 - 3.10 g/cc	Average value: 2.22 g/cc Grade Count:116
Filler Content	5.00 - 25.0 %	Average value: 18.3 % Grade Count:17
Water Absorption	0.000 - 0.100 %	Average value: 0.0347 % Grade Count:22
Moisture Absorption at Equilibrium	0.0200 - 0.220 %	Average value: 0.0720 % Grade Count:5
	0.0100 - 0.0500 % @Temperature 50.0 - 50.0 °C	Average value: 0.0300 % Grade Count:2
	0.0100 - 0.0500 % @Time 173000 - 173000 sec	Average value: 0.0300 % Grade Count:2
Particle Size	25.0 - 800 µm	Average value: 535 µm Grade Count:14
Viscosity	1.00e+13 - 1.00e+15 cP @Temperature 340 - 380 °C	Average value: 5.05e+14 cP Grade Count:10
Permeability	0.0150	Average value: 0.0150 Grade Count:4
Thickness	70.0 - 3180 microns	Average value: 821 microns Grade Count:17
Linear Mold Shrinkage	0.0140 - 0.0500 cm/cm	Average value: 0.0270 cm/cm Grade Count:20
Melt Flow	3.50 - 5.50 g/10 min	Average value: 4.38 g/10 min Grade Count:4

Mechanical Properties	Original Value	Comments
Hardness, Shore D	50.0 - 75.0	Average value: 60.1 Grade Count:78
Ball Indentation Hardness	27.0 - 60.0 MPa	Average value: 40.1 MPa Grade Count:13
Tensile Strength, Ultimate	6.89 - 55.2 MPa	Average value: 20.6 MPa Grade Count:106
	18.0 - 34.0 MPa @Temperature 100 - 100 °C	Average value: 26.5 MPa Grade Count:2
Tensile Strength, Yield	10.0 - 23.5 MPa	Average value: 17.0 MPa Grade Count:9
Elongation at Break	2.00 - 450 %	Average value: 221 % Grade Count:111
	5.80 - 8.70 % @Temperature 100 - 100 °C	Average value: 7.57 % Grade Count:2
Modulus of Elasticity	0.0931 - 4.32 GPa	Average value: 1.36 GPa Grade Count:26
	0.379212 - 0.489528 GPa @Temperature 100 - 100 °C	Average value: 0.438 GPa Grade Count:2
Flexural Yield Strength	4.12 - 103 MPa	Average value: 28.4 MPa Grade Count:15
Flexural Modulus	0.490 - 4.83 GPa	Average value: 1.64 GPa Grade Count:21
Compressive Yield Strength	0.785 - 54.0 MPa	Average value: 14.9 MPa Grade Count:40
	1.80 - 43.0 MPa @Temperature 100 - 150 °C	Average value: 21.8 MPa Grade Count:4
	1.80 - 43.0 MPa @Strain 0.200 - 17.6 %	Average value: 21.8 MPa Grade Count:4
Compressive Modulus	0.430 - 2.14 GPa	Average value: 0.875 GPa Grade Count:11
	0.500 - 0.860 GPa @Temperature 100 - 100 °C	Average value: 0.622 GPa Grade Count:2
Shear Strength	14.479 - 19.9948 MPa @Temperature 26.7 - 149 °C	Average value: 17.4 MPa Grade Count:1
Izod Impact, Notched	1.10 - 6.67 J/cm	Average value: 2.59 J/cm Grade Count:8
Izod Impact, Unnotched	1.60 J/cm	Average value: 1.60 J/cm Grade Count:10
Coefficient of Friction	0.0600 - 0.540	Average value: 0.178 Grade Count:51
Coefficient of Friction, Static	0.0200 - 0.270	Average value: 0.108 Grade Count:36
Tear Strength	12.0 - 71.0 kN/m	Average value: 33.9 kN/m Grade Count:5
Peel Strength	0.701 - 5.47 kN/m	Average value: 2.39 kN/m Grade Count:11
	1.38487 - 1.84065 kN/m @Temperature 288 - 288 °C	Average value: 1.67 kN/m Grade Count:3
	1.38487 - 1.84065 kN/m @Time 10.0 - 20.0 sec	Average value: 1.67 kN/m Grade Count:3
K (wear) Factor	10.0 - 142 x 10^-8 mm³/N-M	Average value: 30.8 x 10^-8 mm³/N-M Grade Count:14

Electrical Properties	Original Value	Comments
Electrical Resistivity	10000 - 1.00e+18 ohm-cm	Average value: 1.74e+17 ohm-cm Grade Count:53
Surface Resistance	1000 - 1.00e+16 ohm	Average value: 1.46e+15 ohm Grade Count:39
Dielectric Constant	1.92 - 11.2	Average value: 3.83 Grade Count:30
Dielectric Strength	3.00 - 37.0 kV/mm	Average value: 17.4 kV/mm Grade Count:29
	11.8504 - 12.5197 kV/mm @Temperature 121 - 121 °C	Average value: 12.2 kV/mm Grade Count:2
	11.8504 - 12.5197 kV/mm @Time 10800 - 10800 sec	Average value: 12.2 kV/mm Grade Count:2
Dissipation Factor	0.0000100 - 0.420	Average value: 0.0225 Grade Count:26
Dielectric Loss Index	0.000630 - 0.390	Average value: 0.142 Grade Count:4

Thermal Properties	Original Value	Comments
CTE, linear	11.0 - 237 µm/m-°C	Average value: 79.1 µm/m-°C Grade Count:49
	50.0 - 171 µm/m-°C @Temperature -60.0 - 300 °C	Average value: 107 µm/m-°C Grade Count:16
CTE, linear, Transverse to Flow	63.9 - 84.0 µm/m-°C	Average value: 74.4 µm/m-°C Grade Count:4
	44.0 - 106 µm/m-°C @Temperature -60.0 - 250 °C	Average value: 73.1 µm/m-°C Grade Count:6
Specific Heat Capacity	0.790 - 1.00 J/g-°C	Average value: 0.910 J/g-°C Grade Count:12
Thermal Conductivity	0.220 - 0.558 W/m-K	Average value: 0.341 W/m-K Grade Count:33
	0.200 - 1.44 W/m-K @Temperature 80.0 - 250 °C	Average value: 0.480 W/m-K Grade Count:18
Melting Point	327 °C	Average value: 327 °C Grade Count:27
Maximum Service Temperature, Air	230 - 316 °C	Average value: 262 °C Grade Count:52
Deflection Temperature at 1.8 MPa (264 psi)	198 - 260 °C	Average value: 235 °C Grade Count:4
Minimum Service Temperature, Air	-268 - -20.0 °C	Average value: -185 °C Grade Count:41
Decomposition Temperature	500 °C	Average value: 500 °C Grade Count:11
Flammability, UL94	V-0	Grade Count:36
Oxygen Index	95.0 - 100 %	Average value: 95.7 % Grade Count:12

Processing Properties	Original Value	Comments
Processing Temperature	370 °C	Average value: 370 °C Grade Count:3

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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O1903 / 77908

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