White fused alumina is a white abrasive made from industrial alumina powder (Al2O3) with a content of over 98% and a small amount of iron oxide and silicon oxide. It is a white abrasive which is melted at high temperatures.
Physical & Chemical
White Fused Alumina/ White Corundum/ White Aluminium Oxide in abrasive
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Test items |
indicators |
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Mohs hardness |
9.0 |
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Bulk density |
1.75-1.95g/cm3 |
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Real density |
3.95g/cm3 |
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Melting point |
2250℃ |
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The highest operating temperature |
1900℃ |
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Properties Type |
FEPA |
F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000 |
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JIS |
240# 280# 320# 360# 400# 500# 600# 700# 800# 1000# 1200# 1500# 2000# 2500# 3000# 4000# 6000# 8000# |
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Guarantee Value |
Typical Value |
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Chemical composition |
AI2O3 |
99.0 min |
99.2 |
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SiO2 |
0.4 max |
0.08 |
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Fe2O3 |
0.2 max |
0.06 |
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Na2O |
0.4max |
0.35 |
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