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GrRAPHITE/CARBON FOR BLAST
 
GrRAPHITE/CARBON FOR BLAST  
   TYPES OF BLAOCK AND APPLICATIONS
Block Types Raw Materials Properties Applications
  Super Micro-pore Carbon Block   Calcined Anthracite, Additives and Coal Pitch High Thermal Conductivity, High Micro-pore Porosity, Good Permeability, High Anti-erosion Ability   Large scale blast furnace.
  Micro-pore Carbon Block   Calcined Anthracite, Additives and Coal Pitch High Thermal Conductivity, High Micro-pore Porosity, Good Permeability, High Anti-erosion Ability   Lay hearth of blast furance
Partial Graphite Carbon Block Calcined Anthracite and Graphite Good Thermal Conductivity, Good Anti-Alkaline Ability Bottom of blast furnace
Ultra-thermal Conductivity Graphite Block Low Ash Petroleum Coke and Coal Pitch Higher Thermal Conductivity, Good Anti-Erosion Ability Hearth and bottom of blast furnace
High Thermal Conductivity Carbon Block High Thermal Conductivity Materials and Partial Graphite Materials   Higher Thermal Conductivity   Bottom of blast furnace
   PROPERTIES
  Item   Unit Super micro-pore Carbon Block Micro-pore Carbon Block High thermal Conductivity Carbon Block Partial Graphite Graphite Block
Fixed Carbon Min. % / / / 78 98  
Ash Max. % 22 20 7 8 0.5  
Bulk Density Min g/ cm3 1.68 1.60 1.6 1.50 1.52  
Open Porosity Max. % 14 18 18 20 20  
Real Density Min. g/cm3 1.90 1.90 / 1.90 2.10  
Compressive Strength Min. Mpa 36 36 30 30 19.6  
Bending Strength Min. Mpa 8 8 8 7.8 6  
Iron liquid melting index Max. % 30 30 32 / /  
Average Pore Dia. Max. Micron 0.1 0.25 / 1.5 /  
Pore capacity under 1micron Min. % 80 70 / 20 /  
Oxidation Max. % 8 28 20 30 /  
Permeability Max. mDa 1 11.0 70 5.2 /  
Thermal Conductivity Rm temp. W/m.k / 7 25 / /  
300oC / 10 / / /  
600 oC 20 14 30 / /  
Anti-alkaline U or LC U or LC U U or LC U or LC  
   AVAILABLE DIMENSIONS (MM):
200 x 200 x L (2400 max.) 400 x 400(or 500) x L (2700 max.)
400 x 600 x L (2400 max.) 500 x 500 x L (2400 max.)
500 x 600 x L (2400 max.) 515 x 450 x L (3280 max.)
500 x 600/660 x L (3390 max.) 550/600 x 600 x L (3390 max.)
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