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Tecaflon® (PolyChloroTriFluoroEthylene) is a fluorocarbon based polymer and is frequently abbreviated as PCTFE. PCTFE combines physical and mechanical properties, non-flammability, chemical resistance, near zero moisture absorption and excellent electrical properties not found in any other thermoplastic fluropolymer. This material also has high compressive strength, an exceptional resistance to cold flow, and performs well in a temperature range of -400° F to 400°F

Tecaflon® maintains an outstanding electrical-insulating capability through thermal cycling and in high humidity environments. This material’s high compressive strength and dimensional stability make it a good choice for structural material, while its low outgassing rate (0.01% TML, 0.00% CVCM, 0.00% WVR when tested per ASTM E-595-90), and permeability make PCTFE a great choice for laboratory, aerospace, flight applications, and instrumentation.

Brand Names

  • Kel-F®
  • Diakon®
  • Chemflour®
  • Neoflon®

Emco Industrial Plastics doesn’t claim to represent all of the manufacturers or trade name products listed. This list is intended as a guide of typical materials available for purchase from Emco Industrial Plastics, Inc. For additional information, contact an Emco Industrial Plastics representative by filling out the form below.

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At a Glance

Generic Name
PolyChloroTriFluoroEthylene

Available In
Sheet, Rod, Tube

Certifications
ASTM-D-1430 AMS 3650 FDA Regulation 21 CFR 177.1380

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Technical Information

Stock Products Properties Applications Advantages

Stock Products

TypeSizeLengthColor
Sheet .125” – 1.25” Std sizes CTS White
Rod .125” – 3” dia Std sizes CTS White
Tube I.D. 1/16” – 7/8” O.D. 1/8” – 1″ Std sizes CTS White

Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.

Properties

Physical PropertiesUnitsASTMResults
Density g/cm³ D792 2.09
Mechanical PropertiesUnitsASTMResults
Water Absorption, 24 hrs % D570 <0.05
Tensile Modulus Mpa D638 35
Thermal PropertiesUnitsASTMResults
Coeffcient of Linear Thermal Expansion x10^⁻⁵/K 6.5
Max Operating Temp. °C 150
Thermal Conductivity W/mK 0.24
Electrical PropertiesUnitsASTMResults
Dielectric Strength. 1/8″ th. kV/mm D149 55-81
Surface Resistivity @60 Hz ohms/sq D257 10¹⁶

NOTE: The property values presented above are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.

Applications

  • Ball valve seats
  • Control pistons
  • Structural parts in pure oxygen applications
  • Oxygen gauge parts
  • Pump housings
  • Pump Impellors
  • Plugs
  • Insulators
  • Sensor housings

Advantages

  • Very good chemical resistance
  • Hydrolysis and superheated steam resistant
  • Very high limiting oxygen index
  • Self-extinguishing
  • Good machinability
  • High thermal capacity
  • Good sliding properties
  • Good electrical insulation
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