Origin	China
Model Number	A-10B
Brand Name	Tongkai
Abrasive Grain Sizes	F12-F220
Material	Brown Aluminum Oxide
Usage	for Blasting or Polishing

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
95.65%  0.07%  2.69%  0.72%  0.23%
 
 
  Physical Properties  
 
Color                   Dark brown
Shape                   Blocky, tough and 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 ??br />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.