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WA-MK
White alundum "WA" is powder that is hard and with moderate toughness. It is suitable for making hard abrasives that are
resistant to heat. Also, it is highly fireproof, and is also chemically stable. It is suited for making fireproof material because of its
highly fire resistant and electrical insulation properties.
For general grinding whetstones, coated abrasives, highly fireproof material, and filtration material.
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Al2O3 | Na2O |
SiO2 | Fe2O3 |
---|---|---|---|---|
WA-MK F8~F90 |
99.0 or more |
0.18 or less |
― | 0.50 or less |
WA-MK F100~F220 |
99.0 or more |
0.18 or less |
― | 0.50 or less |
Degree of grain | 8 | 10 | 12 | 14 | 16 | 20 | 24 | 30 | 36 | 46 |
Representative value | 1.85 | 1.85 | 1.85 | 1.85 | 1.82 | 1.82 | 1.82 | 1.79 | 1.78 | 1.77 |
Degree of grain | 54 | 60 | 70 | 80 | 90 | 100 | 120 | 150 | 180 | 220 |
Representative value | 1.77 | 1.77 | 1.74 | 1.71 | 1.67 | 1.63 | 1.62 | 1.59 | 1.57 | 1.57 |
20 kg in 3-layer Kraft paper bag / 500 kg in flexible container bag / 1000 kg in flexible container bag