China Alumina Ceramic Bottom Pouring Refractory Brick for Foundry Steel, Find details about China Alumina Ceramic, Refractory Material from Alumina Ceramic Bottom Pouring Refractory Brick for Foundry Steel
Brand Item | Gemstone® |
Al 2 O 3 % | 40%~70% |
Fe2O3 % % | ≤ 2 |
Refractoriness ( º C ) | 1700~1800 |
Apparent Porosity % ≤ | 23~28 |
Bulk Density (g/cm 3 ) ≥ | 2.15~2.4 |
Permanent linear change % (1400 º C × 3h,%) | +/-0.75 |
Anti-Compression Rate(Mpa) | 20~35 |