China High Temperature Alumina Ceramic Crucible

Type:
Refractory Ceramic Crucible
Alumina ceramic crucible
Alumina crucible and corundum crucible include:

arc alumina crucible, square alumina crucible, rectangle alumina ceramic crucible, column ceramic crucible and a variety of shaped alumina ceramic crucible. All kinds of shaped alumina corundum crucibles can be customized. Welcome to contact us!

Corundum ceramic crucible application:

applicable to a variety of experimental metal and nonmetal sample analysis and molten materials. Crucible series is used for testing laboratory and a variety of industrial analysis.
Special features:
Extreme purity
High Resistance to corrosion
Good thermal conductivity
Stability in oxidising and reducing atmospheres.
Ultra high vacuum resistance
Stability at high temperatures
Exceptional surface finish.
Application:
Used for founding and smelting of nonferrous metals, gas producer, Carburization, quenching and other special technologies.
Alumina ceramic crucible physiochemical index as below:

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The square type Al2O3 crucible
chemical composition
Al2O3
more than 99%
R2O
less than 0.2
Fe2O3
less than 0.1
SiO2
less than0.2
volume density(g/cm2)
more than 3.80
apparent porosity(%)
less than1
Bending strength(Mpa)
more than 350
compression strength(Mpa)
more than 12000
dielectric constant ∑(1MHz)
2
maximum temperature(°C)
1800