FR-5 vs. Teflon PTFE/FEP Machining

Comparison of FR-5 and Teflon PTFE/FEP Property Values

G-11
0.2
43,000
3,000
0.83
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Material
Water Absorption Rating
Tensile Strength
Flexural Modulus
Coefficient of Linear Thermal Expansion
Dielectric Strength
Unfilled35% Glass Filled24% Carbon Filled
< 0.010.020.05
3,9002,1001,900
72,000190,000160,000
7.56.46.0
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Material Properties

  • High Dielectric Strength
  • Radiation Resistant
  • High Tensile Strength
  • Low Cold Flow Or Creep
  • Chemically Resistant
  • High Flexural Strength
  • Dimensional Stability
  • Low Moisture Absorption
  • Low Dissipation Factor
  • High Impact Strength
  • Cryogenic Serviceability
  • Excellent dielectric properties
  • Inertness to most chemicals
  • High heat and chemical resistance
  • Very low coeffiecient of friction
  • Excellent radiation resistance
  • Zero moisture absorption
  • Relatively insensitive to power frequency
  • Machinability

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