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Industrial
Coating Types, Processes and Design
ECTFE/Halar® Coatings Companies
Finishing
and Plating Specifications
ECTFE or Ethylene-Chlorotrifluoro-Ethylene is produced under the trade name Halar®. ECTFE is a copolymer of ethtlene and chlorotrifluoroethene. Typically the material is applied as coating for protection against caustic chemicals and abrasion resistance. ECTFE is applied by spray or dipping.
ECTFE is resistant to the permeation of oxygen, carbon dioxide, chlorine gas, and hydrochloric acid and is generally considered superior to PTFE or FEP. Water absorption by ECTFE is less than 0.1% by volume.
ECTFE is relatively unaffected by all common chemicals encountered within industry., including minerals and oxidizing acids, alkalies, metal etchants, liquids oxygen and solvents. Coatings thickness are typically specified at 0.010 to 0.045 inch thick with a temperature range from 320 degrees F (160C).
Ethylene-Chlorotrifluoro-Ethylene (ECTFE) Coating Characteristics: Tensile Strength (ASTM D1708) 6600 psi
Elongation (ASTM D256) 325%
Impact Strength (ASTM D256) no break
Dielectric Strength (ASTM D149) 2000 volts per mil
Use Temperature 310°F max
Melting Point 428°F
Chemical Resistance (ASTM D543) Excellent
Water Absorption (ASTM D570) < .1%
Thickness .020" - .040"
Specific Gravity 1.68± .05
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