2013 Hot Alumina Ceramic Crucibles Manufaturers
Specifications
Alumina ceramic crucibles1.high purity Al2O3>95%,corrosive
2.good resistance
3.good tensile strength
Alumina ceramic crucibles
Ceramic crucible is the use of high purity powder, trace elements added, from the phase structure and microstructure of modified production
A smelting vessel. Products are aluminum oxide crucible and fully stabilized zirconia porous crucible, the former is mainly used for smelting and laboratory
Firing other high melting point material, which is mainly used for the melting temperature with Pt, Rh, Au and other precious metal.
Crucible series products of physicochemical index
| name | Al2O3% | SiO2% | Fe2O3% | fire resistance°C | Thermal shock resistance / time 300°C quench |
| 95 ceramic | >95 | <1.2 | <0.1 | >1700 | >7 |
| 99 ceramic | >99.10 | <0.4 | <0.1 | >1700 | >7 |
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