Properties:
Corundum Mullite bricks for blast furnaces were made from fused or sintered corundum and mullite£¬being high pressure pressed and sintered in high temperature£®Main minerals compositions are mullite and corundum phases.  White appearance£¬accurate size,excellent physical/chemical properties in high temperature make them as one of the materials used for Ceramic cup of blast furmaces of big capacities.
Specification:
|
Item |
GM-80 |
GM-75 |
|
Al203, % min |
80 |
75 |
|
Fe2O3, % max |
0.8 |
1.5 |
|
Refractoriness ¡æ min |
1800 |
1800 |
|
RUL min |
1700 |
1650 |
|
P.L.C. % 1430¡æ X 3h |
0-0.5 |
0-0.5 |
|
A.P. % max |
18 |
18 |
|
CCS MPa min |
100 |
80 |
|
