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 |


