corundum crucible
High Purity Alumina Ceramic Crucible is used for testing laboratory and a variety of industrial analysis. Alumina ceramic 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.
Characters of corundum crucibles:
1. High purity: Al2O3>99%, high chemical etching resistance;
2. Temperature tolerance, at 1600C for long term application, and at 1800C for short term application
3. Resistant to sudden cold and hot, un-explosive
4. High density of slip casting, high purity alumina crucible, specifications of 99% corundum crucibles: 5ml 10ml 15ml 20ml 25ml 30ml 50ml 100ml 150ml 200ml- 2500ml.
Product description:
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Name
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Square alumina crucible
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Chemical ingredient
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Al2O3
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>=99
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R2O
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<=0.2
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Fe2O3
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<=0.1
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SiO2
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<=0.2
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Volume density (g/cm2)
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>=3.80
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Apparent porosity (%)
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<1
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Bending strength (Mpa)
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>350
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Compression strength (Mpa)
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>12000
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Dielectric constant ∑(MHz)
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2
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Max. service temperature (C)
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1800
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