Tefzel ETFE HT-2160 fluoroplastic resin combines the chemical and high-temperature resistance of Tefzel with antistatic levels of electrical conductivity. Tefzel ETFE HT-2160 and the other Tefzel fluoroplastics are melt processible, modified copolymers of ethylene and tetrafluoroethylene. They are high-performance resins that can be processed at relatively high rates compared to other fluoroplastic resins. They are mechanically tough and offer an excellent balance of properties.
Tefzel ETFE HT-2160 resin can be used to manufacture extruded tubing, pipe, and other profiles for hose; linings of components used in the chemical processing industries; industrial film; and injection- and blow-molded articles requiring superior electrical, chemical, and thermal properties.
Tefzel ETFE HT-2160 can be processed by conventional thermoplastic techniques, such as melt extrusion or injection, compression, transfer, and blow-molding processes. Drying at 100-130 °C (212-266 °F) in a dehumidified oven for 4 hr is suggested to remove any absorbed moisture. The melt viscosity of Tefzel is reduced with increasing shear rate; thus, permitting the use of pressure extrusion through narrow dies without requiring appreciable draw-down. Reciprocating screw injection molding machines are preferred.
Corrosionresistant metals should be used in contact with molten resin from 300-345 °C (570-650 °F). Processing conditions of these products are similar to conditions for Tefzel contained in the following bulletins by Chemours, “Injection Molding Guide for Teflon™ FEP, Teflon PFA, and Tefzel ” and “Extrusion Guide for Melt Processible Fluoropolymers.”
Storage and Handling
The properties of Tefzel ETFE HT-2160 resins are not affected by room temperature storage. Ambient storage conditions should be designed to avoid airborne contamination and water condensation on the resin when it is removed from containers. Drying at 100-130 °C (212-266 °F) for 4 hr is suggested to remove any absorbed moisture.
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