It is electrically fused from a mixture of bauxite, iron sulfide, etc. It is yellowish or gray, with strong grain shape, great hardness, toughness and impact strength, hence it is particularly adaptable for the grinding of stainless steel, high vanadium-high speed steel, and is especially used for the grinding of easy-deformed and easy-burned parts.
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Typical Chemical Analysis |
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| Al2O3 |
Fe2O3 |
TiO2 |
SiO2 |
| 99.50% |
0.03% |
0.26% |
0.05% |
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| Color |
Offwhite |
| Shape |
Plump |
| True Specific Gravity |
3.98 g/cm3 |
| Hardness |
2200-2400kg/mm3 (knoop) |
| Toughness (single grain crushing strength) |
1.20 kg |
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| 24 |
30 |
36 |
40 |
46 |
54 |
60 |
70 |
80 |
90 |
100 |
120 |
150 |
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Particle Size Distribution (PSD) |
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| PSD According to ISO, ANSI, FEPA and JIS. |
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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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