Detailed Product Description

Supply Brown Fused Alumina:

Brown fused alumina 95%:

Abrasive:F12-F220
Refractory:0-1mm,1-3mm,3-5mm,5-8mm,etc.
Powder:100F,150F,220F,325F,etc.


Brown Fused Alumina is fused and crystallized under high temparature from a Mixture of bauxite and other raw materials.It is brown and features high hardness and toughness.The Abrasives tools made of it are suitable forgringing metals of high-tensile strength such as carbonsteel,general-purpose alloy steel,malleable cast iron and hard bronze,etc.It also can be used as refractory materals,chemical additives,precision founding and anti-sliding materials.

Chemical compositions:
F4-F80 (P12-P80): Al2O3: 95.00%-97.50%; TiO2: 1.5%-1.8%;CaO: less than 0.45%
F90-F150 (P100-P150): Al2O3: 94.00%-97.50%; TiO2:1.5%-1.8%; CaO: less than 0.45%
F180-F220 (P180-P220): Al2O3: 93.00%-97.50%; TiO2:1.5%-1.8%; CaO: less than 0.45%
F220 (P220) finer: Al2O3: more than 92.00%

Physical properties:
Basic mineral: a-Al2O3
Crystal size: 400-800μm
True density: more than 3.90g/cm3
Bulk density: 1.40-1.85g/cm3
Hardness: 1,800-2,200g/mm2

Water-washed P grains of brown fused alumina:
AP50: 95% cleanness
AP80: 95% cleanness