Carbon friction materials have a highly conductive structure of fibres designed to provide outstanding thermal capability. The use of porous carbonaceous materials improves the stability of the torque curve over a wide range of temperatures and pressures. The low ratio of the static to dynamic coefficient of friction provide an outstanding thermal capability with good wear resistance & also enhances the engagement characteristics, such as smooth transition, & anti noise & vibration. These are typically found in applications such as torque converter clutches, transmissions, differentials & wheel brakes.

The following are properties that are associated with this type of material:

  • Smooth engagement
  • Excellent energy capability
  • Higher resistance to overload
  • Good oil compatibility
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Parameter Wet Application Dry Application
Dynamic Coefficient (μd) 0.07 – 0.10 N/A
Static Coefficient (μs) >= 0.10 N/A
Wear Rate (λ) <= 2.0x10-8cm3/J N/A
Permitted Value of Energy-Load >= 60,000 N/A