White fused alumina section sand 1-3mm
- Product Details
- Company Profile
application:refractory media
White fused alumina
White fused alumina was made from the high quality alumina by melting above 2000 in the electric arc furnace and cooling. It is white with the main crystal phase alpha-Al2O3.
1.Used for refractory,furnace burden,castable,ramming compoynd, painting etc
Section sand Size 12-6mm 10-8mm 8-5mm 6-3mm 5-3mm 3-1mm 1-0mm 1-0.5mm 0.5-0.2mm 0.5-0mm 0.3-0mm Chemical compositions(%) Al2O3 99.5min Fe2O3 0.04max Na2O 0.30max SiO2 0.02max Main Physical Properties Mohs hardness 9.0 Bulk density 1.75-1.95g/cm3 Specific gravity 3.95g/cm3