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SPECIAL GRAPHITE PRODUCTS
 
SPECIAL GRAPHITE PRODUCTS  
   MAIN TYPES OF GRAPHITE MATERIAL (specified by moulding types):
  • MOULDED GRAPHITE
  • Item unit Properties
    Block Rod
    Bulk density Min. g/cm3 1.80 1.75
    Ash content   Normal Max. % 0.1 0.1
    Purified Max. ppm 50 50
    Compressive Strength Min. MPa 60 45
    Specific electric resistance Max. Micron ohm.m 12 - 14 10 - 12
    Porosity Max. % 24 17
  • FINE GRAIN ISOTROPIC GRAPHITE
  • Properties Unit Parameters
    Bulk Density Min. g/cm3 1.70 - 1.85
    Specific Resistance Max. Micron ohm.m 15
    Ash Content   Normal Max. ppm 1000
    Purified Max. ppm 50
    Porosity Max. % 18 - 23
    Compressive Strength Min. Mpa 40 - 100
    Shore Hardness Min.      40 - 60
    C.T.E Max. x 10-6/oC 4.0 - 6.0
  • EXTRUDED GRAPHITE
  • Properties Unit Parameters
    Bulk Density Min. g/cm3 1.65 - 1.80
    Specific Resistance Max. Micron ohm.m 9.0
    Ash Content Max % 0.1
    Max. ppm 50
    Compressive Strength Min. Mpa 14~26
    Shore Hardness Min.      23~35
    C.T.E Max. x 10-6/ oC 3.8
    Max. Grain Size   mm 0.5 - 2.0
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