The crucibles and boats from ceramic based on aluminum oxide have been widely used in laboratory tests due to their complex properties: high chemical resistance to affection of various compounds solutions as well as of most metals melts.
In accordance with the specifications, physical-chemical parameters of products must meet the following requirements:
|Al2O3, % -||Not less than 52|
|Fe2O3, % -||Not more than 0,7|
|Refractoriness , 0С, -||Not less than 1300|
|Water absorption , % -||Not more than 0,2|
|Thermal stability, the number of thermal cycles -||Not less than 1|