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 | |