Горячая распродажа! Низкая цена керамический тигель Al2O3/глиноземный с

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HT-High quality low price Al2O3 ceramic crucible/Alumina ceramic cup


 



Product Description


 




1.Product description:  


Alumina ceramic is kind of structural ceramics, with insulation resistance, voltage resistance, high strength, good thermal conductivity, dielectric loss, stable electrical performance characteristics. Used in electronic ceramic substrates, ceramic electrical insulation, vacuum devices, devices porcelain, spark plugs and other products. We can make the part by hot injection pressing, dry pressing, isostatic pressing and extrusion productive technology etc


 


2.Features:  


 1) Material: 95%~99.7% AL2O3


 2)Method of molding: CIP


 3) High chemical etching resistance..


 4)High temperature up to 1800°C  


 5)Color: white, Ivory White


 6)Surface finish: min Ra0.4& maxRa0.8um


 


3.Applicatios:  


The special crucible for infrared high-frequency carbon and sulfur analyzer is widely used in steel, metallurgy, oil, machinery manufacturing, science research and so on.


 


4.Shapes of ceramic crucible :  


1)arc shape alumina crucible, 


2)square shape alumina crucible,


3)rectangle shape alumina ceramic crucible,


4)column shape ceramic crucible


 


5.Property of ceramic crucible:


 






























































































































Item



Test Condition



Unit Symbol



95%Alumina 


ceramics



99%Alumina 


ceramics



99.7%Alumina 


ceramics



The main chemical


 ingredient



 



 



Al2O3



Al2O3



Al2O3



Bulk Density



 



g/cm3



3.6



3.89



3.96



Maximum Use 


Temperature



 



 



1550°C



1700°C



1800°C



Water absorption



 



%



0



0



0



ROHS Hardness



 



 



≥85



≥89



≥89



Flexural strength



20° C



MPa (psi x 103)



358 (52)



550



550



Compressive Strength



20° C



MPa (psi x 103)



2068 (300)



2600(377)



2600(377)



Fracture Toughness



K(I c)



Mpa m1/2



4-5



5.6



6



Coefficient of 


thermal expansion



25-1000° C



1X 10-6/°C



7.6



7.9



8.2



Coefficient of 


thermal conductivity



20° C



W/m °K



16



30.0



30.4



Thermal Shock 


Resistance



Tc



°C



250



200



200



Dielectricity constant



1MHz.25°C



 



9



9.7



9.7



Dielectric strength



 



ac-kV/mm (ac V/mil)



8.3 (210)



8.7 (220)



8.7 (220)



Volume Resistivity



100°C



ohm-cm



> 1013



> 1014



> 1014



 


 


6.Sizes in stock:   












































Capacity (ml)



Outer Diameter(mm)



Height(mm)



11



22mm



33mm



36



40mm



40mm



90



40mm



90mm



350



85mm



75mm



400



90mm



75mm



600



110mm



75mm



Other sizes are customized from designs of Customer!



 


HT-al2o3 crucible-24Al2O3 crucible-427



Packaging & Shipping


 muffle furnace-d4QQ20180410134041





Our Services


 Generally, our warranty is one year. Within the warranty period, we can offer technique support, Feedback to you within 12 hours and help you to settle your problem controller freely.


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