Brown fused alumina with good hardness,high strength
Specification & Usage
The abrasive grains of this products has angular shape and sharp-edged hem, after good dust collecting, impurity and strongly magnetism material removing, carefully sieve classifying, the grains can do very well on various polishing application, such as glass carving, rust removing, jean cloth grinding and also suitable for making Bonded Abrasive like cutting wheel and so on.
Typical Chemical Analysis
Al2O3 Fe2O3 TiO2 SiO2 CaO
96.40% 0.12% 2.25% 0.65% 0.22%
Physical Properties
Color Dark brown
Shape Blocky, tough and sharp
Crystal Form Alpha-alumina trigonal system
True Specific Gravity 3.96 g/cm3
Hardness 2090 Knoop scale; 9.0 Mohs scale
Melting Temperature About 2050 ℃
Magnetic Material 0.0076%
Toughness 55.46
Particle Size Distribution (PSD)
PSD According to ISO, ANSI, FEPA and JIS.
Lisa/sales manager
Lisa#ascentsun.com
Web:http://www.ascentsun.com