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Carbon graphite seal ring has the advantages of excellent corrosion resistance, self-lubricity, high coefficient of heat conductivity, low friction, etc. It is applicable to mechanical seal rings, bearing sets, valves and shielding pumps, etc.
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 is 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

M106K

M106D

M106F

Impregnated material

 

Furan Resin

Stibium-alloy

Phenol Aldehyde Resin

Shaw Hardness

HS

90

95

85

Indicated Porosity

%

1.0~2.0

2.5

1.0~2.0

Volume Density

g/cm3

≥1.75

≥2.20

≥1.70

Compression Strength

Mpa

220

260

210

Bending Strength

Mpa

≥75

≥95

≥65

Thermal Expansion Coefficient

10-6/

5.5×10-6

6.0×10-6

5.0×10-6

Maximum Working Temperature

200

400

200


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