Carbon-Filled PTFE

Carbon reduces creep, increases hardness, and elevates the thermal conductivity of parts. Carbon-filled PTFE materials have some electrical conductivity. Wear resistance can be improved by adding graphite. 

PBY Material Codes: 

PB10102 - 15% Carbon-Filled PTFE 

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Carbon-Filled PTFE Spec. Summary

Property Test Method Units 15 CARBON
Color - - Black
Specific Gravity ASTM D792 - 2.07 - 2.15
Hardness Shore D ASTM D2240 - 63 - 73
Tensile Strength, min. ASTM D4745 PSI [MPa] 2,400 [16.5]
Elongation at Break, min. ASTM D4745 % 105
Second Melt Peak Temp. ASTM D3418 °F [°C] 621 [327]
Glass Transition Temp. ASTM D3418 °F [°C] -143 [-97]; 246 [119]

Material Available In:

Carbon-Filled PTFE Rods

Carbon-Filled PTFE Tubes

Carbon-Filled PTFE Sheets

Carbon-Filled PTFE Material Properties

  • Good electrical and thermal conductivity

  • Good chemical resistance

  • Economical

  • Low Elongation

Typical Applications for Carbon-Filled PTFE

  • Bearings and Bushings

  • Electrical Components

  • Gaskets

  • Pump & Valve Components

  • Seals

  • Valve Seats

  • Wear Pads

Carbon-Filled PTFE Requirements


Carbon-Filled PTFE Material Data Sheet Downloads

PB10102 - Material Data Sheet


  • Wypych, George. Handbook of Polymers. 2nd Ed., ChemTec/Publishing, 2016.
  • Ebnesjjad, Sina. Fluoroplastics Vol1 & Vol2. 2nd Ed., Elsevier Inc., 2015.
  • Aerospace Materials Specifications for PTFE materials (AMS3678)
  • American Society for Testing and Materials (ASTM) Standards