Brown fused aluminium oxide, also named corunmdum. Well performance of thermal shock resistance makes brown fused alumina oxide an important and fabulous raw material for refractory industries as well. Refractory bricks, castable refractories, ramming mass, gunning mix etc.
Color: Brown Size: 1-3 mm Raw material: bauxite Refractoriness: 1900℃ Capacity: 100 tons/day Package: 1-1.25 tons/jumbo bag
Brown fused aluminium oxide, also named corunmdum.
Well performance of thermal shock resistance makes brown fused alumina oxide an important and fabulous raw material for refractory industries as well. Refractory bricks, castable refractories, ramming mass, gunning mix etc.
Physical Property
| Color | Mohs hardness | Grain Status | Bulk density/ g/cm3 | Refractoriness/℃ | Melting temperature/℃ |
| Brown | 9.0 | Barmac/Roller | 3.90 g/cm3 | 1900℃ | 2050℃ |
Chemical Composition %
| Application | Grain size | Al2O3 | TIo2 | CaO | SiO2 | Fe2O3 | Magnetic material content% |
| FOR REFRACTORY | 0-1mm; 1-3mm 3-5mm; 5-8mm | 94.0 min | 1.5~3.8 | 0.45max | 1.2 max | 0.3 max | – |
| F4~F80 P12~P80 | 94.0 min | 1.5~3.8 | 0.45max | 1.2 max | 0.3 max | – | |
| F90~F220 P100~P220 | 93.0 min | 1.5~4.0 | 0.50max | 1.4 max | – | – |
