Calcium oxide ceramics refer to ceramics with calcium oxide as the main component.
nature:
Calcium oxide has a NaCl crystal structure with a density of 3.08 ~ 3.40g / cm3 and a melting point of 2570 ℃. It has thermodynamic stability and can be used at high temperatures (2000 ℃). It has little reaction with highly active metal melts. There is little pollution of impurity elements. The product has good resistance to molten metal corrosion and molten calcium phosphate. It can be formed by dry pressing or grouting.
application:
1) It has excellent metal corrosion resistance and is an important container for smelting non-ferrous metals, such as high-purity platinum and uranium;
2) Calcium oxide brick stabilized with titanium dioxide can be used as lining material for rotary kiln of molten phosphate ore;
3) From the perspective of thermodynamic stability, CAO exceeds SiO2, MgO, Al2O3 and ZrO2, etc., and is the highest among oxides. This property shows that it can be used as a crucible for molten metals and alloys;
4) In the process of metal melting, CaO quality samplers and protective tubes can be used, which are mostly used in quality management or temperature control of active metal melts such as high-titanium alloys;
5) In addition to the above, the use of CaO ceramics in metallurgy is also suitable for thermal insulation jackets for arc melting or containers for balancing experimental corners.

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