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WAP

It is one kind of white fused aluminium oxide grain for Coated Abrasive, with the concentrated size distribution and sieving strictly based on FEPA standard. It can be well used for many kinds of Coated Abrasive like sanding paper, sanding cloth, and sanding belt.
Typical Chemical Analysis
Al2O3 SiO2 Fe2O3 Na2O
99.45% 0.13% 0.04% 0.26%
Physical Properties
Color Brilliant White
Shape Angular and sharp
True Specific Gravity
 3.90 g/cm3
Hardness
 Knoop 2250
Magnetic Material 0.0008%
Bulk Density Test Value (g/cm3)
Grit No P12
P16 P20 P24 P30 P36 P40 P50
B.D 1.78 1.77 1.76 1.76 1.75 1.75 1.74 1.68
Grit No P60 P80 P100
P120 P150 P180 P220  
B.D 1.67 1.62 1.60 1.55 1.55 1.52 1.50  
Grit Size Available (P)
8 12 14 16 20 22 24 30 36 40 46
54 60 70 80 90 100 120 150 180 220  
Particle Size Distribution (PSD)
According to FEPA ¨C 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 clientĄ¯s special requirement.
Products Standard
Size Distribution of Microgrits P12~P220
Size Distribution of Microgrits P240~P1200
Size Distribution of Microgrits P1500~P2500