It is one type of non-calcined Brown Fused Aluminium Oxide grain for Coated Abrasive application, the grain shape is very sharp, the strip and needle shape are well kicked out of the grains. With the concentrated size distribution and dust collected by well water washing, It can be used for producing all kinds of Coated Abrasives Products, such as sand paper, cloth, rolls, belts, etc. Our product is produced strictly based on the FEPA standard.
Process way: Rolling Machine Process
Typical Chemical Analysis
Al2O3 Fe2O3 TiO2 SiO2 CaO MgO
95.56% 0.08% 2.72% 1.05% 0.20% 0.25%
Physical Properties
Color Red Brown
Shape Very 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 oC
Magnetic Material 0.0076%
Hydrophile 86mm
Cleanness 26ppm
Toughness 67.15
contact: Cherry
email: cherry#ascentsun. com
web: www. ascentsun. com
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