Alumina ceramic products, Industrial Alumina Ceramic Products , such as tube,gasket,ring,rod,valve and so on,the product can be made as per the customers' drawings and requirements.
Application:
Lighting electrical appliance
Electrothermal equipment
Petrochemical industry
Machinery industry
Textile industry
Automotive industry
Technical Data:
Al2O3,% | 92~96 | 98~99.5 |
Bulk Density,g/cm3 | ≥3.6 | ≥3.8 |
Hardness,Mohs | 9 | 9 |
linear Expansion,m/k(25~800ºC) | 6.5~7.8 *10-6 | 7.6~8.5 *10-6 |
Thermal Conductivity,w/m.k | 26 | 35 |
Dielectric Strength,kv/mm | 15 | 18 |
Volume Resistivity,Ω.cm(100ºC) | >1015 | >1016 |
DC Breakdown Strength,kv/mm | 17.6~20 | 15~16 |
Water absorption,% | <0.08 | <0.006 |