
1.Fine Thermal Conductivity,
2.Good Abrasion Resistant Ability,
3.High Temperature Endurance, Can Make Direct Contact With Flame,
4.High Compressive Strength, And Good Cold Crushing Resistance Ability,
5.Good Chemical Stability Which Can Endure Corrosive Gas Attack.
Corundum Mullite Brick Introduce
Main material of corundum mullite brick is imported plate corundum, high pure fused corundum, adopt advanced superfine powder adding technology, it is made by the mixing material, drying, molding and burned in high temperature shuttle kiln.
Features of our refractory corundum brick
1.Low line expansion coefficients
2.Long service life
3.Great corrosion and erosion resistance
4.High bulk density
5.High compressive strength
6.Good thermal shock resistance
7. Good corrosion resistances to acids and alkali
Rongsheng Refractory Corundum Mullite Brick Technical Data
| Item | High Pure and High Quality Fused Corundum Fire Brick |
Sintered Corundum Fire Brick | Mullite-Corundum Fire Brick |
| Al2O3 % | ≥99 | ≥90 | ≥80 |
| SiO2 % | ≤0.2 | ≤8 | ≤18 |
| Fe2O3 % | ≤0.2 | ≤0.2 | ≤0.3 |
| Bulk Density g/cm3 | ≥3.2 | ≥3 | ≥2.8 |
| Apparent porosity % | ≤19 | ≤18 | ≤18 |
| Cold compressive strength MPa | ≥100 | ≥100 | ≥100 |