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Zhengzhou Tianma Micropowder Co.,Ltd.
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Active Member
10 Years |
Place of Origin : China
Products Description
White fused alumina, with Al2O3 more than 98%, is one of the most
popular alumina abrasives. White fused alumina is made from
excellent Bayer-processed industrial alumina by fusing in an
electric arc furnace at high temperature of 2050degree
centigradeunder carefully controlled conditions. It is white in
color, a dense mineral and has predominantly large crystals of
Alpha Alumina. As a kind of alumina grinding media, it is widely
used in polishing, lapping and blasting.
Application:
1. White fused alumina powder is used for making abrasive tools
2. White fused alumina grit also could be used as refractory
materials
3. White fused alumina could be used as grinding, lapping,
polishing and blasting media
Physical Index of White Fused Alumina:
Color | White |
Basic Mineral | alpha-Al2O3 |
True Density | 3.96g/cm3 |
Bulk Density | 1.75-1.95g/cm3 |
Microhardness | HV2200-2300 |
Mohs Hardness | 9.0 |
Melting Point | 2250degree centigrade |
Chemical Composition of White Fused Alumina:
Typical Data:
Al2O3 | 99.65% |
Na2O | 0.25% |
Fe2O3 | 0.04% |
SiO2 | 0.03% |
Abrasives Grade:
Grit Size | Al2O3 | Na2O |
F12-220 | >99.5% | <0.35% |
F230-400 | >99.2% | <0.4% |
F500-1200 | >99.0% | <0.5% |
Refractory Grade:
Grit Size | Al2O3 | Na2O |
0-1mm | >99.2% | <0.4% |
1-3mm | >99.2% | <0.4% |
3-5mm | >99.2% | <0.4% |
200mesh | >99.0% | <0.5% |
325mesh | >99.0% | <0.5% |
Size Available:
Abrasives: F16-F220, F230-F1200, JIS240-JIS3000
Refractory: 0-1mm, 1-3mm, 3-5mm, 200mesh, 325mesh
Other special specifications could be supplied as required.
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