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2021-09-04 05:02
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Website：http://www.zblongshine.com/ http://xuanle.rqxiangye.com/
Zirconia fused alumina also have names of Alumina zirconia, Fused zirconia alumina,
Zirconia aluminum oxide, Zirconia aluminium oxide, Zirconium corundum.
Zirconium fused alumina has good resistance to melt corrosion. As a high-grade abrasive, it can manufacture high-performance heavy-duty grinding wheels, and has a good grinding effect on steel parts, cast iron parts, heat-resistant steel, and various alloy materials; in addition, Zirconia fused alumina is also a high-grade refractory raw material. It is an ideal material for making high-performance sliding nozzles and immersion nozzles. It can also be used to make Zirconia fused alumina bricks for glass melting furnaces.
According to the content of ZrO2, Zirconia fused alumina generally include ZrO2 25% and ZrO2 40%.
| Brand | Chemical composition(%) |
||||
Al2O3 |
ZrO2 |
SiO2 |
TiO2 |
Fe2O3 |
|
ZA40 |
50—60 |
38—44 |
0.5Max |
1.0 Max |
0.2 Max |
ZA25 |
68—72 |
24—30 |
|||
Physical property |
Density (g/cm3) |
Mos hardness |
Melting point |
≧4.00 |
≧9.00 |
1850℃ |
|
Grit No. |
F10 - F220 |
||
Now zirconia fused alumina is widely used in making grinding wheels and sand belts, flap discs etc abrasive tools. Zirconia fused alumina belt, grinding wheel abrasive grain hardness is slightly lower, toughness value is large, high strength, crystal size is fine, good wear resistance and other advantages, so that it has a good self-sharpening to maintain its excellent cutting performance, and the wear resistance of the belt is good.
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