Fused zirconia alumina is a kind of artificial corundum, which uses material with rich aluminum and zirconium, as well as additive as raw material, then is fused in an electric furnance at high temperature, cooled, crystallized, crushed and screened.
Product Specification:
ZA25%:
Structure | True Density | Knoop Hardness | Melting point | Color | Grit |
a- Al2O3 | 4.35 g/cm3 | 1780 kg/mm2 | 1950℃ | Grey | ZA F4-F220 ZAS F4-F36 |
m. t – ZrO2 |
Chemical Analysis (typical)
Al2O3 | ZrO2 | SiO2 | Fe2O3 | Na2O | TiO2 |
75% | 24% | 0.20% | 0.20% | 0.08% | 0.15% |
ZA40%:
Structure | True Density | Knoop Hardness | Melting point | Color | Grit |
a- Al2O3 | 4.65 g/cm3 | 1620 kg/mm2 | 1880℃ | Grey | ZA F4-F220 ZA P20-P220 |
m. t – ZrO2 |
Chemical Analysis (typical)
Al2O3 | ZrO2 | SiO2 | Fe2O3 | Na2O | TiO2 |
59% | 40% | 0.10% | 0.20% | 0.15% | 0.08% |
Product Characteristics:
Zirconia fused alumina has the characteristics of high hardness, good toughness, high strength, dense texture, strong grinding force, stable chemical properties, good thermal shock and so on.