alumina crucible

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alumina crucible
Posting date : May 11, 2010
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76-
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alumina 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 alumina crucible and corundum crucible: 1. High purity: Al2O3>99%, high chemical etching resistance; 2. Temperature tolerance, at 1600℃ for long term application, and at 1800℃ 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. Characters of corundum crucible: 1. High purity: Al2O3>99%, high chemical etching resistance; 2. Temperature tolerance, at 1600℃ for long term application, and at 1800℃ for short term application 3. Resistant to sudden cold and hot, un-explosive 4. High density of slip casting 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 ∑(1MHz) 2 Max. service temperature (℃) 1800

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