What is ETFE coating?
EthyleneTriFluoroEthylene has very similar chemical resistant properties to ECTFE though is thinner and not quite so robust. Commonly used for external environmental corrosion resistant applications, there are some specific instances where ETFE outperforms other fluoropolymers.
Tefzel® is a brand name of Chemours (formerly DuPont) for their ETFE coating. Impreglon UK uses the Tefzel® brand.
It’s chemical formula is shown below.
|Density ASTM D792 (lb/in³) / (g/cm³)||0.061 / 1.7|
|Water Absorption ASTM D570 24 hrs (%)||< 0.01|
|Tensile Strength ASTM D638 (psi)||6,100|
|Tensile Elongation at Break ASTM D638 (%)||300|
|Flexural Modulus ASTM D790 (psi)||145,000|
|Compressive Strength ASTM D695 (psi)||2,470|
|Hardness, Shore D ASTM D785||D67|
|IZOD Notched Impact ASTM D256 (ft-lb/in)||No Break|
|Coefficient of Linear Thermal Expansion|
|ASTM D696 (x 10-5 in./in./°F)||7.3|
|Melting Temp (°F / °C)||512 / 267|
|Max Operating Temp (°F / °C)||311 / 155|
|Dielectric Strength (short time) 0.01" thick||1,800|
|Dielectric Constant at 1 MHz||2.5|
|Dissipation Factor at 1 MHz||0.006|
|Volume Resistivity (ohm-cm) at 50% RH||1017|
For more information about Impreglon and our ETFE coating capabilities call us on +44 (0) 1827 871400 or complete our enquiry form.