Porcelain Crucible

These High Purity Porcelain 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 Porcelain Crucible:
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:
Name
Square alumina crucible
Chemical ingredient
Al2O3
>=99
R2O
<=0.2
Fe2O3
<=0.1
SiO2
<=0.2
Volume density (g/cm2)
>=3.80
Apparent porosity (%)
<1
Bending strength (Mpa)
>350
Compression strength (Mpa)
>12000
Dielectric constant a (MHz)
2
Max. service temperature (C)
1800
Other Information:
Density: 3.8g/cm3
HS Code: 6903 Other Refractory Bricks, Blocks, Tiles & Similar Refractory Goods
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