China supplier Zirconia Fused Alumina ZA25 / ZA 40 Low Dust High Toughness
Fused zirconia alumina is produced by putting rich aluminum, zirconium materials and additives in electric furnace, smelting with high temperature above 2000°C,cooling down with special technology, and compacting with Barmac plastic, which has the characteristics of tenacious texture, dense structure and high strength.
ZA 25 and ZA 40 as the content of Zr02.
Zirconia Fused Alumina 25 / 40 |
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product |
Al2O3 |
ZrO2 |
TiO2 |
Fe2O3 |
SiO2 |
ZA25 |
68%-72% |
24%-30% |
1.5%max |
0.5%max |
1.0%max |
ZA40 |
55%-57% |
35%-44% |
1.5%max |
0.5%max |
1.0%max |
Physical Characteristics
Color |
Grey |
Shape |
Blocky, tough and sharp |
Crystal Form |
Alpha-alumina and “a-Al2O3”+“Al2O3-ZrO2”combined tree system |
True Specific Gravity |
4.55g/cm3 |
Melting Temperature |
About 1900°C |
Magnetic Material |
0.0080% |
Bulk Density(g/cm3) |
2.18 |
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