high purity 99 al2o3 alumina ceramic crucible for

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high purity 99 al2o3 alumina alumina ceramic crucible for melting


 


Characters of alumina ceramic 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. 


 


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technical parameter of alumina ceramic crucible:


 





































































Material



85 Al2o3



90 Al2o3



95 Al2o3



99.7 Al2o3



Al2o3



85%



90%



93%



99.30%



Fe2o3



≤ 1.0



≤ 0.5



≤ 0.5



≤ 0.3



Desnsity: g / cm3



3.4



3.5



3.6



3.85



Vickers Hardness



≥ 8.6



≥ 8.8



9



9



Water Absorption:%



≤ 0.2



≤ 0.1



≤ 0.085



≤ 0.01



Refractoriness:°C



1580 °C



1600 °C



1650 °C



1800°C



Flexural Strength:Mpa



180



200



240



280



Wear Rate( at room temperature, erosion, 100 grinding)%



≤ 3



≤ 2.5



≤ 1



≤ 0.5



 


photos show of alumina ceramic crucible:


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factory of alumina ceramic crucible:


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packing of alumina ceramic crucible:


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delivery of alumina ceramic crucible:


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Why HT:


1. control the cost easiler.


2. more support in technique problem.


3.Our products are complete in specifications with various of sizes.


4.We enjoy a good reputation in the customers in domestic and overseas markets.


 


 


 


 


 


 


 


 


 


 


 


 


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