Description:
Composed fo brown alumina and Sic and added metal fines , the product is of new type compound brown alumina brick sintered at reducing atmosphere and moulded at high pressure .Besides molten iron resistance ,strong alkali resistance and erosion resistance ,the product is characterized of self-repairing,providing longer service life, which is available for both ceramic cup and blast tuyere of large and middle BF.
Compound Brown Alumina Brick
Brand Index | JH-TCB-G |
Al2O3, % ≥ | 70 |
SiC, %, ≥ | 10 |
AP % ≤ | 20 |
BD, g/cm³ ≥ | 3.00 |
CCS MPa ≥ | 90 |
MOR(1400℃ x 0.5h), MPa ≥ | 12 |
0.2MPa RUL ℃ ≥ | 1650 |
PLC(1500℃ x 2h), % | 0.3 |