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Characteristics of our Zirconia Fused Alumina grit:
Choosing selected aluminum oxide and zirconia materials fused in electrical arc furnace above 2000° C
High temperature resistance
Dense structure and tenacious texture and high strength
Good corrosion resistance
Good thermal shock resistance
Suitable for grinding steel, cast iron, heat-resistant steel, titanium alloys, aluminum alloys and tungsten alloy and for high grade refractory products such as continuous casting and rolling, flow channel and zirconium corundum brick etc.
| Grade |
Chemical composition (%) |
| ZrO2 ≥ |
Al2O3 ≥ |
Fe2O3 ≤ |
TiO2 ≤ |
CaO ≤ |
MgO ≤ |
SiO2 ≤ |
| ZA25 |
24.50 |
72.50 |
0.10 |
0.80 |
0.45 |
0.20 |
0.50 |
| ZA40 |
40.20 |
57.50 |
0.06 |
0.35 |
0.45 |
0.20 |
0.40 |
| ZFA Type |
ZA-25 |
ZA-40 |
| Colour |
Grey |
Grey |
| Main Mineral |
Alpha-alumina |
| True Density |
4.55g/cm3 |
4.55 g/cm3 |
| Melting Temperature |
1950° C |
1900° C |
| Magnetic Material |
0.009% |
0.008% |
| Bulk Density(g/cm3) |
2.18 |
2.18 |
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