High Purity Corundum brick
High purity corundum brick, which is characterized with good mechanical property at high temperature and good chemical stability, is widely used in gasifier, secondary reformer, ethylene-generated fur
High purity corundum brick, which is characterized with good mechanical property at high temperature and good chemical stability, is widely used in gasifier, secondary reformer, ethylene-generated furnace, and ammonia decomposing furnace in petrochemical industry, carbon black reactor in chemical industry, and high temperature kilns in refractories and ceramics industry. The average service life used in the 300,000 tons residue oil gasifier is 18 months and the maximum reaches 28 months. The brick has been successfully used in domestic and imported thermal equipment.
Item | High purity corundum brick CB-99 |
Long term service temperature ℃ | 1800 |
Al2O3 % ≧ | 99 |
SiO2 % ≦ | 0.2 |
Fe2O3 % ≦ | 0.2 |
Bulk density, g/cm3 ≧ | 3.15 |
Apparent porosity % ≦ | 18 |
CCS ,MPa ≧ | 70 |
Refractoriness under load ℃ ≧ (0.2MPa, 0.6%), | 1700 |
PLC (1600℃ x3h), % | -0.2-+0.2 |