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Firebrick

Anti Acid Brick

Al2O3 (%) 25%        
SiO2 (%) 70%        
Fe2O3 1.5%        
Refractoriness --        
Bulk Density fm/c.c. 2.0 - 2.1        
Cold Crushing Strength Kg/cm2 > 700        
Service Temperature °C 1280        
Porosity 14        
 
Fire Clay Brick SK 30 SK 32 SK 34      
Al2O3 (%) 30 34 42    
SiO2 (%) 65 52 54    
Fe2O3 (%) < 2.0 < 2.0 < 2.0    
Bulk Density (gm/c.c) 1.90 1.95 2.00    
Porosity (%) < 26 < 26 < 26      
Cold Crushing Strength (Kg/cm2) 200 230 250      
Refractories (C) 1450 1550 1650      
Services Temperature (°C) 1300 1300 1320      
 
High Alumina Brick SK 36 SK38        
Al2O3 (%) 55 70      
SiO2 (%) 40 28      
Fe2O3 (%) < 2.0 1.88      
Bulk Density (gm/c.c) 2.10 2.913        
Porosity (%) < 26 < 26        
Cold Crushing Strength (Kg/cm2) 300 476        
Refractories (°C) 1790 1850        
Services Temperature (°C) 1450 1500        
 
Plastic Materials SK 34 SK 36      

 

Al2O3 (%) 42% 55%        
SiO2 (%) 54% 40%        
Fe2O3 (%) < 2% < 2%        
Method of Apply Ramming or Casting Ramming or Casting        
Net Weight 25kg/carton 25kg/carton        
Temperature (°C) 1400°C 1600°C