Item / Name 
 Common type 
 Standard 
 High purity 
 High alumina type 
 Containing zirconium 

 Classification temperature (° C) 
 1100 
 1260 
 1260 
 1360 
 1430 

 Operating Temperature (℃) 
 ≤ 1000 
 1050 
 1100 
 1200 
 1350 

 Color 
 White 
 White 
 White 
 White 
 White 

 Bulk density (kg/m3) 
 260 
 320 
 260 
 320 
 260 
 320 
 260 
 320 
 260 
 320 

 Permanent linear shrinkage (%) (24 hours the body temperature, bulk density 320kg/m3) 
 -4 
 (1000) 
 -3 
 (1000) 
 -3 
 (1100) 
 -3 
 (1200) 
 -3 
 (1350 ° C) 

 Hot surface temperature of the thermal conductivity (w / mk) 
 (Volume density 285kg/m3) 
 0.085 (400 ° C) 
 0.132 (800 ° C) 
 0.180 (1000) 
 0.085 (400 ° C) 
 0.132 (800 ° C) 
 0.180 (1000) 
 0.085 (400 ° C) 
 0.132 (800 ° C) 
 0.180 (1000) 
 0.085 (400 ° C) 
 0.132 (800 ° C) 
 0.180 (1000) 
 0.085 (400 ° C) 
 0.132 (800 ° C) 
 0.180 (1000) 

 Compressive Strength (Mpa) (thickness reduction 10%) 
 0.5 
 0.5 
 0.5 
 0.5 
 0.5 

 Of 
 School 
 Group 
 Become 
 (%) 
 AL2O3 
 44 
 46 
 47-49 
 52-55 
 39-40 

 AL2O3 + SIO2 
 96 
 97 
 99 
 99 
 - 

 AL2O3 + the SIO2 + ZrO2 
 - 
 - 
 - 
 - 
 99 

 Zro2 
 - 
 - 
 - 
 - 
 15-17 

 Fe2o3 
 <1.2 
 <1.0 
 0.2 
 0.2 
 0.2 

 Na2O + K2O 
 ≤ 0.5 
 ≤ 0.5 
 0.2 
 0.2 
 0.2 

 Product Dimensions (mm) 
 Common specifications: 600 × 400 × 10-5; 900 × 600 × 20-50 
 Other specifications according to user requirements 


 Applications: 
 Industrial cellar furnace wall lining, masonry high-temperature layer, high-temperature cellar furnace pit lining, cellar car door baffle pit Furnace split board high temperature, fever equipment insulation, insulation Aerospace, shipbuilding insulation, fire protection, noise , insulation.