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 | |