PTFE CNC Machining

PTFE, or Teflon, offers excellent chemical resistance and unmatched coefficient of friction

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PTFE is a crystalline polymer with chemical resistance and a coefficient of friction lower than nearly any other materials. The dialectric constant (2.1) of PTFE and its loss factor are low and stable across a wide temperature and frequency range.

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PTFE Material Properties

  Tensile Strength Flexural Modulus Tensile Elongation Coefficient of Friction Melting Point Upper Service Temperature 
Test Method ASTM D638 ASTM D790 ASTM D638 ASTM D1894 ASTM D3418 UL746B
Teflon PTFE 3,000 - 5,000 psi 72,000 psi 300 - 500% 0.1 <10 ft./min 621°F 500°F

Uses for CNC Machining PTFE

PTFE parts exhibit low coefficient of friction and chemical resistance. It's often used for industrial and electrical applications.

  • Bearings and bushings
  • Electrical housings
  • Hinges
  • Food processing equipment
  • Lab instrumentation

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