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ECTFE MATERIALS (Ethylene Chlorotrifluoroethylene)

Chemical resistance was incorporated into ECTFE (ethylene chlorotrifluoroethylene) for heavy-duty corrosion applications. It’s a semi-crystalline partly fluorinated polymer (fluoropolymer) that may be treated in the melt. Chemically, it’s an ethylene-chlorotrifluoroethylene copolymer.

Many other fluoropolymer polymers are weaker, stiffer, and less dimensionally stable than ECTFE (ethylene chlorotrifluoroethylene). It has good electrical characteristics as well as a low coefficient of thermal expansion and minimal moisture absorption. When compared to other fluoropolymers, ECTFE (Halar®) has extraordinarily smooth surfaces, making it an excellent choice for many high-purity applications in the pharmaceutical and semiconductor sectors. Many softer fluoropolymers, such as PTFE, have lower strength, stiffness, abrasion resistance, and creep resistance than ECTFE.

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ECTFE IS WIDELY USED FOR:

  • Linings for tanks, vessels, and reactors
  • Semiconductor and pharmaceutical chemical storage tanks and ductwork
  • Piping systems / fluid processing components
  • Centrifuges
  • Agitators
  • Exhaust hoods
  • Filters
  • Electroplating equipment
 

PERFORMANCE CHARACTERISTICS:

  • Stronger and stiffer than many other fluoropolymers with high impact strength
  • Excellent electrical properties
  • Abrasion, chemical, and weather resistant
  • Exceptionally smooth surfaces
  • Low levels of metallic and organic extractables
  • Excellent fire resistance

COMMON BRANDS:

  • Halar®

STANDARD SIZES

RODOutside Diameter:
0.500 in – 5 in
 

OPTIONS AVAILABLE

COLORNatural
 

Length, width, thickness, and diameter tolerances vary by size, by manufacturer, brand, and grade. Custom sizes available upon request.

TYPICAL PROPERTIES OF ECTFE

UNITS ASTM TEST ECTFE (Halar®)
Specific gravity D792 1.68
Water absorption % D570 <0.1
Tensile strength psi D638 7,500 – 8,300
Izod impact (notched) ft-lbs/in D256 no break
Flexural modulus psi D790 232,000 – 261,000

Values may vary according to brand name. Please ask your Petron Thermoplast representative for more specific information about an individual brand.

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