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 temperatureŁ®Main minerals compositions are mullite and corundum phasesŁ®These products were widely used in all parts of fumace lining because of their excellent physical/chemical properties in high temperatureŁ®

 

 

 

 

 

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