White fused alumina is made by smelting and cooling above 2000 degrees in arc, grinding and shaping, removing iron by magnetic separation, and sieving into many kinds of granularity. It is compact in texture, high in hardness and sharp in shape.
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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1. white fused alumina Used for free grinding, such as glass industry.
2.white fused alumina Used for friction products and wear-resistant floors.
3. white fused alumina Suitable for resin or ceramic bond abrasive, such as grinding wheel, cutting off grinding wheel,etc
4. white fused alumina Suitable for refractory, wear-resisting and refractory products.
5. white fused alumina Used for polishing, such as grindstone, grinding block, plate turning, etc.
6. white fused alumina Used for coating abrasive tools, such as sandpaper, emery cloth, sand belt, etc.
7. white fused alumina Used for precision casting, grinding, grinding, polishing mold production.
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