Description:
Brown Fused Alumina is fused in the electric-arc furnace under the high temperature of above 2250°C with high quality bauxite as raw material and matched by the carbon material and scrap iron .The degree of refractory is more than 1850°C.
Specification:
Brown Fused Alumina /Brown Aluminum Oxide for refractory
| Purpose | Specification | Chemical composition(%) | Magnetic material content(%) | ||||
| Al2O3 | Fe2O3 | SiO2 | TiO2 | ||||
| For refractory | Size sand | 0-1mm 1-3mm 3-5mm 5-8mm 8-12mm |
95 Min | 0.3 Max | 1.5 Max | 3.0 Max | — |
| 0-3mm 0-5mm 0-10mm 0-25mm |
95Min | 0.3 Max | 1.5Max | 3.0Max | — | ||
| Fine powder | 180#-0 240#-0 320#-0 |
93.5 Min | 0.5 Max | 1.5 Max | 3.5 Max | — | |
| Brown Fused Alumina /Brown Aluminum Oxide Physical Properties | |||||
| Color | True Density | Mohs Hardness | Melting Temperature | Crystal System | Refractory Temperature |
| Brown | 3.90g/cm3 | 9.0 | 2050°C | trigonal system | 1900°C |
Particle size:0-1mm/1-3mm/3-5mm/5-8mm;180mesh-0/320mesh-0
Packing: 1 MT big bag or 25kg paper bag *40 bags on one pallet ; As per customer’s requirement
Brown fused alumina for refractory advantages:
1) High quality bauxite as raw material
2)Refractory temperature is more than 1900°C
3) High hardness, good toughness
4) Very low amount of iron oxide
contact person : helen Liang
tele/Wechat : 86-18638876161
