Brown fused alumina is made by high-quality bauxite as main material, fusing and purifying in a pouring electric arc furnace at a temperature of over 2200°c, and made into different grain size through crystal, choosing, crashing, magnetic, separating, screening, washing and acid washing, etc.

Specification
F: 4#-80#       90#-150#       180#-240#
P: 8#-80#       100#-150#     180#-220#
W: 1#-63#
Attention:
F: for the consolidation abrasive and sand blasting
P: for coated abrasives
W: for the powder eg: W40, that is 320#
 
0-1mm     1-3mm       3-5mm         5-8mm         8-12mm
25-0mm          10-0mm           50-0mm          30-0mm
180#-0          200#-0          320#-0
Application
1) Abrasive: Produce ceramic grinding wheel, retinoid grinding wheel, Grinding stone, Grinding block, sand paper, sand cloth, sand belt, polish wax, abrasive paste, coating etc.
2) Refractory material: Mainly used for abrasion and high temperature resistant, inoxidizable aggregate and filling of shaped and monolithic refractory in steel metallurgy, various industrial stoves, electric furnace etc..
3) Sandblasting abrasive: Mainly used for various material work pieces to decontaminate, degusting, prevent corrosion, remove oxide skin etc..
4) Abrasion resistance ground: Mainly used for non-slip of airport and road, chemical factory
Board paving.
5) Precision casting: Investment casting technics of stainless steel and aluminum casting in coating.
Physical Chemical composition