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AE-20

The grains of this kind of product crashed by ball mill machine, its grain shape is more blocky than rolling machine made grains, but its bulk density is less than AE-17 grains. With the medium loose bulk density, and after water washing, strong magnetism removing, very carefully sieve classifying, this kind of abrasive grain normally can match the various vitrified bond Abrasives Products applications
Typical Chemical Analysis
Al2O3 Fe2O3 TiO2 SiO2 CaO
95.70% 0.12% 2.66% 0.98% 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 ¡æ
Magnetic Material 0.0076%
Toughness 50.46
Hydrophilic 34.00
Bulk Density Test Value (g/cm3)
Grit No F12 F14 F16 F20 F22 F24 F30 F36 F40 F46
B.D 1.94 1.91 1.90 1.87 1.84 1.84 1.81 1.79 1.75 1.75
Grit No F54 F60 F70 F80 F90 F100 F120 F150 F180 F220
B.D 1.72 1.72 1.69 1.65 1.61 1.61 1.59 1.57 1.56 1.52
Grit Size Available (F)
12 14 16 20 22 24 30 36 40 46 54 60 70 80 90 100 120
 150 180 220
Particle Size Distribution (PSD)
PSD According to ISO, ANSI, FEPA and JIS.
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.