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By certification 
Alumina Ceramic Insulator,mainly used in the production of industrial ceramics,such as textiles and ceramics.99 porcelain is mainly used in the production casing Tancifaxin take over the seat of electronic products such as ceramics plates.
Alumina Ceramic Insulator specifications
AL2O3 |
≥95% |
CaO |
1.5% |
SiO2 |
2% |
Na2O |
<0.3% |
MgO |
<0.1 |
Fe2O3 |
<0.02% |
TiO2 |
<0.006 |
Alumina Ceramic Insulator Physical properties
Density |
g/cm3 |
≥3.6 |
Bending strength |
MPa |
300 |
Compressive strength |
MPa |
3400 |
Hardness |
HV0.5 |
1800 |
Porosity |
% |
0 |
Color |
Red, pink, black, white, cream |
