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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.
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Typical Chemical Analysis |
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| Al2O3 |
SiO2 |
Fe2O3 |
Na2O |
| 99.45% |
0.13% |
0.04% |
0.26% |
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| Color |
Brilliant White |
| Shape |
Angular and sharp |
| True Specific Gravity |
3.90 g/cm3 |
| Hardness |
Knoop 2250 |
| Magnetic Material |
0.0008% |
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Bulk Density Test Value (g/cm3) |
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| 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 |
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| B.D |
1.67 |
1.62 |
1.60 |
1.55 |
1.55 |
1.52 |
1.50 |
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| 12 |
16 |
20 |
24 |
30 |
36 |
40 |
50 |
60 |
80 |
100 |
120 |
150 |
180 |
220 |
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Particle Size Distribution (PSD) |
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| According to FEPA – Standard 43-1984 R 1993 |
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| 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. |
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