Overview of materials for Fluorinated Ethylene Propylene (FEP), Molded/Extruded

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Overview of materials for Fluorinated Ethylene Propylene (FEP), Molded/Extruded
Categories:	Polymer; Thermoplastic; Fluoropolymer; Fluorinated Ethylene Propylene (FEP); Fluorinated Ethylene Propylene (FEP), Molded/Extruded
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Fluorinated Ethylene Propylene (FEP), Molded/Extruded". 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	1.30 - 2.17 g/cc	Average value: 2.04 g/cc Grade Count:29
Water Absorption	0.00400 - 0.0300 %	Average value: 0.0109 % Grade Count:15
Oxygen Transmission	320 cc-mm/m²-24hr-atm	Average value: 320 cc-mm/m²-24hr-atm Grade Count:19
Nitrogen Transmission	104 cc-mm/m²-24hr-atm	Average value: 104 cc-mm/m²-24hr-atm Grade Count:19
Viscosity	1.00 - 800 cP	Average value: 410 cP Grade Count:4
	4.00e+6 - 4.00e+7 cP @Temperature 380 - 380 °C	Average value: 2.20e+7 cP Grade Count:2
Thickness	12.7 - 5000 microns	Average value: 1040 microns Grade Count:13
Melt Flow	0.750 - 42.0 g/10 min	Average value: 19.1 g/10 min Grade Count:26

Mechanical Properties	Original Value	Comments
Hardness, Shore D	55.0 - 65.0	Average value: 55.8 Grade Count:15
Tensile Strength, Ultimate	18.0 - 34.3 MPa	Average value: 24.3 MPa Grade Count:28
Elongation at Break	245 - 400 %	Average value: 334 % Grade Count:29
Modulus of Elasticity	0.343 - 0.700 GPa	Average value: 0.419 GPa Grade Count:5
Flexural Modulus	0.520 - 0.655 GPa	Average value: 0.574 GPa Grade Count:14
Compressive Yield Strength	5.00 - 15.2 MPa	Average value: 6.24 MPa Grade Count:13
Flex Crack Resistance	1000 - 250000	Average value: 32700 Grade Count:23
Izod Impact, Notched	5340 J/cm	Grade Count:11
Coefficient of Friction	0.0400 - 0.350	Average value: 0.124 Grade Count:21

Electrical Properties	Original Value	Comments
Electrical Resistivity	1.00e+17 - 1.00e+18 ohm-cm	Average value: 9.81e+17 ohm-cm Grade Count:24
Surface Resistance	1.00e+16 ohm	Average value: 1.00e+16 ohm Grade Count:10
Dielectric Constant	2.00 - 2.20	Average value: 2.08 Grade Count:41
Dielectric Strength	19.7 - 100 kV/mm	Average value: 51.9 kV/mm Grade Count:25
Dissipation Factor	0.0000500 - 0.00120	Average value: 0.000324 Grade Count:39
Arc Resistance	180 - 300 sec	Average value: 288 sec Grade Count:10

Thermal Properties	Original Value	Comments
CTE, linear	83.0 - 135 µm/m-°C	Average value: 106 µm/m-°C Grade Count:4
Thermal Conductivity	0.190 - 0.250 W/m-K	Average value: 0.224 W/m-K Grade Count:5
Melting Point	245 - 275 °C	Average value: 259 °C Grade Count:28
Maximum Service Temperature, Air	200 - 205 °C	Average value: 202 °C Grade Count:20
Minimum Service Temperature, Air	-240 - -100 °C	Average value: -197 °C Grade Count:13
Flammability, UL94	V-0	Grade Count:30
Oxygen Index	95.0 %	Average value: 95.0 % Grade Count:41

Optical Properties	Original Value	Comments
Transmission, Visible	92.0 - 95.0 %	Average value: 93.5 % Grade Count:9
IR Transmittance	95.0 - 98.0 %	Average value: 96.5 % Grade Count:9
UV Transmittance	91.0 - 92.0 %	Average value: 91.5 % Grade Count:9

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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