1. Alumina ceramic crucibles heat resistant about 1600 degrees, suitable for K2S207 and other acidic materials melting samples.
2. The alumina ceramic crucibles can be boiled and cleaned by dilute HCl to ensure the purity of the material and its high temperature resistance.
3. Alumina ceramic crucibles material high density, good oxidation resistance, 400-500 degrees higher than graphite material, up to 900 degrees, long service life.
4. Alumina ceramic crucibles has high heat resistance, low thermal expansion coefficient, good thermal shock resistance and good corrosion resistance.
5. Alumina ceramic crucibles stable chemical properties, basically no reaction with the melted metal, improve the purity of the alloy.
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