Brown Fused Aluminium Oxide For Abraisves (al2o3 95%min)

1.Description
Brown aluminum oxide is electrically fused in an arc furnace from a mixture of bauxite at high temperature. It has brown colour, high hardness and great toughness. The abrasives tools made of brown aluminum oxide are suitable for steel, malleable cast iron and hard bronze. It used for refractory aluminum oxide lining mixture, pouring materials castable, etc.
Chemical and physical composition:
2. Brown fused alumina :
Chemical composition Physical property
Items Value of specification(%) Items Property
Al2O3 95.50min Color Brown
SiO2 1.09max Bulk density 1.53-1.99g/cm3
Na2O 2.00max Grain density 3.95g/cm3min
Fe2O3 0.50max Morse hardness 9
CaO 0.38max Content of magnetic subatance 0.04%