Characteristic
1.High hardness
2.High purity
3.Good self-sharpening
4.Strong grinding ability
5.Acid-alkali corrosion resistance
6.High temperature resistance and
7.Good thermal stability

Production process
White fused alumina was made from the high quality by melting above 2000 in the electric arc furnace and cooling. It is white with the main crystal phase alpha---Al2O3.
Application
1.Spraying and grinding.
2.High-end products, crafts or hardware products surface beautification processing.
3.Precision casting, silicon crystal cutting, advanced refractories and ceramic additives.
4.Bonded abrasives and coated abrasives.
5.Processing harder and stronger tensile strength materials such as quenching steel, alloy steel, high speed steel and high carbon steel.
6.Ultra-precision Grinding and Polishing in Crystal and Electronics Industry, Precise Surface Treatment of Metal and Optical Products
7.Contact media, insulators and precision casting sand.

Physical Properties
Color White
Moh’s hardness 9.0
Bulk density 1.75-1.95g/cm3
Real density 3.95g/cm3
Melting point 2250?
Maximum service temperature 1900?
Chemical Analysis
Al2O3 Fe2O3 Na2O SiO2
Sectional sand 99.5% 0.04% 0.06% 0.3%
Fines 99.0% 0.1% 0.08% 0.35%
Grains 99.5% 0.04% 0.04% 0.23%
Micro powder 99.2% 0.06% 0.08% 0.35%

Size
Grits 0-1mm 1-3mm 3-5mm 5-8mm
Fines 100#-0 200#-0 320#-0
Grains 8# 10# 12# 14# 16# 20# 22# 24# 30# 36# 40# 46# 54# 60# 70# 80# 90# 100# 120# 150# 180# 220# 240#
Powder #240 #280 #320 #360 #400# #500 #600 #700 #800 #1000 #1200 #1500 #2000 #2500 #3000 #4000 #6000 #8000