Origin	China
Model Number	A-10B
Brand Name	Tongkai
Abrasive Grain Sizes	F12-F220
Material	Brown Aluminum Oxide
Usage	for grinding wheel or cutting disc

The abrasive grains of this products has very sharp shape, after good dust collecting, impurity and strongly magnetism material removing, carefully sieve classifying, the grains is suitable for making resin Bonded Abrasive like cutting wheel, flex wheel and so on.
Meanwhile this type of grains can do very well on various polishing application, such as glass carving, rust removing, jean cloth grindin.
 
  Typical Chemical Analysis  
 
Al2O3  Fe2O3  TiO2   SiO2   CaO
95.65% 0.07%  2.69%  0.72%  0.23%
 
 
  Physical Properties  
 
Color                  Dark brown
Shape                  Very Sharp
Crystal Form           Alpha-alumina trigonal system
True Specific Gravity  3.85 g/cm3
Hardness               2090 Knoop scale; 9.0 Mohs scale
Melting Temperature    About 2050 centi-degree
Magnetic Material      0.0076%
 
  Bulk Density Test Value (g/cm3)  
 
Grit No F12  F14  F16  F20  F22  F24  F30  F36  F40  F46
B.D     1.83 1.80 1.78 1.76 1.76 1.74 1.72 1.70 1.67 1.65
Grit No F54  F60  F70  F80  F90  F100 F120 F150 F180 F220
B.D     1.63 1.61 1.58 1.55 1.55 1.52 1.49 1.47 1.45 1.44
 
  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.