MK Series

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WA-MK

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.

Usage

For general grinding whetstones, coated abrasives, highly fireproof material, and filtration material.

Chemical composition (%)
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
Bulkiness specific gravity
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

Packaging

20 kg in 3-layer Kraft paper bag / 500 kg in flexible container bag / 1000 kg in flexible container bag

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