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Alumina Crucible Alumina Ceramic Crucible
99% Alumina crucible
Corundum crucible.
Features:
1) High purity: Al203> 99%, Good chemical resistance
2) Good temperature resistance: Long-term use in 1600°C, short-term in 1800°C
3), Good resistance to rapid cooling and rapid heating, not easy to burst.
4) Slip casting and high density
5) Various kinds of Shapes and Sizes.
High purity alumina, Absolutely powerful !
High Purity 99Alumina Chemical Composition
Al2O3 ≥ 99.7% |
R2O ≤ 0.2 |
Fe2O3 ≤ 0.1 |
SiO2 ≤ 0.2 |
Volume density (g/cm2) ≥ 3.80 |
Apparent porosity (%) <1 |
Bending strength (Mpa)> 350 |
Compressive strength (Mpa)> 2500 |
Dielectric constant Σ (1MHz) 2 |
Thermal Shock : Good |
The highest operation temperature (°C) 1800 |