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Tefzel ® ETFE Specifications

904 West 6th Street, Shiner, Texas 77984 USA
Phone: 1-361-594-2941     Fax: 1-361-594-2349     E-Mail:


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Tefzel ® ETFE is a fluorocarbon-based polymer. ETFE is an abbreviation for the chemical name Ethylene TetrafluoroEthylene. and the Tefzel ® brand of ETFE is manufactured only by DuPont. This material was introduced to provide a material with both corrosion resistance and mechanical strength over a wide temperature range. The fluoroplastic family offers plastics with high chemical resistance, low and high temperature capability, resistance to weathering, low friction, electrical and thermal insulation.

Tefzel ® ETFE offers high purity, excellent chemical resistance, good permeability resistance, and excellent abrasion resistance over a temperature range of -300°F to +300°F (-185°C to +150°C). Tefzel ® ETFE is available in sheet, rod and film forms. It is also available in a fabric-backed sheet for construction of dual laminate vessels or the lining of existing chemical vessels.


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ASTM or UL test Property ETFE
D792 Density (lb/in³)
D570 Water Absorption, 24 hrs (%) < 0.01
D638 Tensile Strength (psi) 6,100
D638 Tensile Modulus (psi) -
D638 Tensile Elongation at Break (%) 300
D790 Flexural Strength (psi) -
D790 Flexural Modulus (psi) 145,000
D695 Compressive Strength (psi) 2,470
D695 Compressive Modulus (psi) -
D785 Hardness, Shore D D67
D256 IZOD Notched Impact (ft-lb/in) No Break
D696 Coefficient of Linear Thermal Expansion
(x 10-5 in./in./°F)
D648 Heat Deflection Temp (°F / °C)
at 264 psi

D3418 Melting Temp (°F / °C) 512 / 267
- Max Operating Temp (°F / °C) 311 / 155
C177 Thermal Conductivity
(x 10-4 cal/cm-sec-°C)

UL94 Flammability Rating V-0
D149 Dielectric Strength (V/mil) short time, 0.01" thick 1,800
D150 Dielectric Constant at 1 MHz 2.5
D150 Dissipation Factor at 1 MHz 0.0060
D257 Volume Resistivity (ohm-cm)at 50% RH 1017

NOTE: The information contained herein are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers' complete material property datasheets.
All values at 73°F (23°C) unless otherwise noted.
Tefzel is a registered trademark of DuPont

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Boedeker Plastics, Inc.
904 West 6th Street, Shiner, Texas 77984 USA
USA TOLLFREE : 1-800-444-3485
Phone: 1-361-594-2941     Fax: 1-361-594-2349     E-Mail:

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