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Carbon graphite is used as a soft material in a wide range of applications, from wet running to dry running. It provides:
· Excellent natural lubricity
· Good thermal conductivity
· Outstanding thermal shock resistance
· Good corrosion resistance
Mechanical carbon has been developed in different grades to meet various service conditions:
· Resin bonded carbon – an economical, pressed to size material for large volume requirements.
· Resin impregnated carbon – Furan resin, Phenolic resin, or Epoxy resin are used as filler to decrease the porosity of carbon.
· Metal impregnated carbon – Antimony, Copper, or Babbitt alloys are used as filler for applications requiring higher working temperatures or higher strength.
Parameter | Unit | J1118F | J2163K | J2163D | J3120P | J3120B |
Impregnation | - | Phenolic Resin | Furan Resin | Antimony | Copper Alloy | Babbitt |
Hardness | - | HS 85 | HS 90 | HS 95 | HS 80 | HS 65 |
Compressive Strength | MPa | 210 | 220 | 260 | 240 | 150 |
Flexural Strength | MPa | 65 | 75 | 95 | 75 | 60 |
Porosity | % | 1.0 - 2.0 | 1.0 - 2.0 | 2.5 | 2 | 3 |
Coefficient of Thermal Expansion | 1 x 10 -6 / K | 5 | 5.5 | 6 | 6.2 | 5 |
Maximum Working Temperature | oC | 200 | 200 | 400 | 400 | 200 |
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