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TEL：0574-88922374
　　 0574-88922375
　　 0574-88922376
FAX：0574-88924901
　　　0574-88950219
P.C：315500
http://www.fgkh-seals.com
E-mail:fgkh@fgkh-seals.com |
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| ALUMINA CERAMIC |
Principal parameters of alumina ceramic
| AL2o3 percentage |
density g/m |
Compressive Strength |
hardnessHRA |
Thermal Conductivity
w/mok |
Coefficient of Thermal Expansion×10 1/℃ |
| 99% |
3.85 |
340-540 |
85-90 |
16.75 |
5.3 |
| 95% |
3.65 |
216-360 |
78-82 |
16.75 |
5.8 |
Chemical composition
 |
AI2O3 |
Fe2O3≤ |
Na2O ≤ |
Fe ≥ |
| AL2O3-99 |
≥98 |
0.1 |
0.3 |
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| AL2O3-95 |
94-96 |
0.1 |
0.5 |
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| AL2O3-Fe |
≥83 |
0.1 |
0.5 |
10 |
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