High alimina bricks for blast furnaces

 

Properties:

High alimina bricks for blast furnaces were mainly made from Bauxite, being high pressure pressed and sintered in high temperatureٮMain minerals compositions are mullite and corundum phasesٮThese products were widely used in all parts of fumace lining because of their excellent physical/chemical properties in high temperatureٮ

 

 

 

 

 

Specification:

Item
 GL-65
GL-55
GL-48
Al2O3, %           min
65
55
48
Fe2O3, %          max
2.0
2.0
2.0
Refractoriness   ˇć  min
1800
1780
1780
RUL          ˇć             min
1500
1480
1450
P.L.C.            1500ˇć X 2h
                     1450ˇć X 2h
 
0-0.2
 
0-0.2
 
0-0.2
A.P.                  max
19
19
18
CCS                  min
58.8
49.0
49.0