Zirconia Fused Aluminum is produced by fusing rich aluminum, zirconium materials and additives in electric arc furnaces, smelting with high temperature above 2250℃, cooling down with special technology, and compacting with Barmac process, which has the characteristics of tenacious texture, dense sturcture and high strength. According to the content of ZrO2, generally have low zircon corundum (10%~15% ZrO2), medium zircon corundum (ZrO225%) and high zircon corundum (ZrO2 40%).
GRADE | Al2O3 | ZrO2 | TiO2 | Fe2O3 | SiO2 |
ZA25% | 72-78 | 23-25 | ≤1.5 | ≤0.5 | ≤1.0 |
ZA40% | 55-57 | 35-44 | ≤1.5 | ≤0.5 | ≤1.0 |
Available Sizes | 0-0.5MM 0.5-1MM 1-1.5MM 0-1MM 1-2MM 2-3MM 1-3MM 3-5MM | ||||
F4 F5 F6 F7 F8 F10 F12 F14 F16 F20 F22 F24 F30 F36 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220 | |||||
Color | Grey |
Specific Density | 4.20g/cm3 |
Bulk Density | 2.18g/cm3 |
Moh’s hardness | 9.0 |
Melting point | 1900℃ |
Knoop hardness | 1450-2000kg/cm2 |
Maximum service temperature | 1700℃ |
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