ETFE / Tefzel® Compression Molding

 

ETFE / Tefzel® Compression Molding


ETFE (ethylene-tetrafluoroethylene) is a rugged thermoplastic with an outstanding balance of desirable properties.  No other plastic approaches the chemical and electrical properties of fluoropolymers while providing mechanical ruggedness and economical processing.


ASTM D3159 is the material specification that covers ETFE.



ETFE / Tefzel® Properties

  1. Superior mechanical toughness

  2. Impact resistant

  3. Good resistance to most chemicals but is attacked by chlorinated solvents and strong oxidizing agents

  4. Hydrolytically stable, tensile strength and elongation is essentially unaffected by long exposures to boiling water

  5. Water absorption of less than 0.03%

  6. No-load maximum continuous use temperature of 302 °F (150 °C)

  7. Upper service temperature in excess of 392 °F (230 °C) for certain specific applications

  8. Excellent abrasion resistance from -300 °F (-184 °C) to 300°F (149 °C)

  9. High purity

  10. Little outgassing at recommended maximum use temperature

  11. Unpigmented resins are rated UL94 V-0 down to 0.062” thick

  12. Limiting Oxygen Index (LOI) of 30

  13. Much better radiation resistance than PTFE but is not immune to gamma radiation, especially at higher temperatures and in the presence of oxygen

  14. Excellent resistance to outdoor weathering with few detrimental effects from long-term exposure

  15. Is an excellent low-loss dielectric, with a uniformity of electrical properties not usually found in other thermoplastics



ETFE / Tefzel® Applications


ETFE is often specified for applications where other materials lack mechanical toughness, broad thermal capabilities or the ability to withstand severe environmental conditions.


ETFE is used to line components used in the chemical processing industry (CPI).


Because of its high-energy radiation resistance and ability to withstand elevated temperatures, ETFE is used in the nuclear industry.


Unlike for many other polymers, adding glass reinforcement to ETFE improves its frictional and wear properties.  Because ETFE also has outstanding creep resistance, the glass-reinforced resin is favored for bearing applications in abusive environments.  Some grades can less abrasive on mating surfaces than most glass-reinforced polymers.  Glass-filled ETFE has a low wear factor that is only 1/10th that of reinforced nylon.



Compression-molded ETFE / Tefzel® Parts

  1. Fittings

  2. Stirring rods

  3. Spigots

  4. Tubing

  5. Valves

  6. Labware

  7. Containers

  8. Dishes

  9. Bearings

  10. Electrical components

  11. Sleeving

  12. Coil forms

  13. Sockets

  14. Connectors

  15. Switches

  16. Battery components

  17. Valve components

  18. Seal glands

  19. Rings

  20. Pipe plugs

  21. Mechanical parts

  22. Fasteners



ETFE Compression Molding Resins


Tefzel® ETFE from DuPont™

  1. Tefzel® ETFE 200

  2. Tefzel® ETFE 207

  3. Tefzel® ETFE 280

  4. Tefzel® ETFE HT-2160

  5. Tefzel® ETFE HT-2170

  6. Tefzel® ETFE HT-2181

  7. Tefzel® ETFE HT-2183

  8. Tefzel® ETFE HT-2185

  9. Tefzel® ETFE HT-2188

  10. Tefzel® ETFE HT-2202

  11. Tefzel® ETFE HT-2202HS


NEOFLON™ ETFE from Daikin America

  1. NEOFLON™ EP-541 ETFE

  2. NEOFLON™ EP-546 ETFE


Perfecting Surfaces Since 1949   •

(714) 533-3183     info@thermech.com

ETFE / Tefzel® Compression Molding

 

Compression Molding and Machining of ETFE / Tefzel®.

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