Brown Fused Alumina

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 Abrasive products, such as sand paper, cloth, rolls, belts, etc. Our product is produced strictly based on the FEPA standard. 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 Bulk Density Test Value (g/cm3) Grit No P12 P16 P20 P24 P30 P36 P40 P50 B.D 1.93 1.89 1.86 1.82 1.79 1.77 1.75 1.73 Grit No P60 P80 P100 P120 P150 P180 P220 B.D 1.69 1.66 1.64 1.61 1.59 1.58 1.56 Grit Size Available (P) 12 16 20 24 30 36 40 50 60 80 100 120 150 180 220 240 280 320 360 400 500 600 800 1000 1200 1500 1800 2000 2500 Particle Size Distribution (PSD) According to FEPA – Standard 43-1984 R 1993 Packing Way Selection a. In 25kg plastic woven bags. b. In 1000kg big bag. c. 40 x 25kg plastic woven bags in one big bag. d. 40 x 25kg plastic woven bags on pallet. e. 40 x 25kg paper bags on pallet. f. According to client’s special requirement.