| 摘要 |
FIELD: chemistry.SUBSTANCE: disclosed is a mixture for making refractory concrete, which contains chrome magnesite, bauxite, dinas, wastes from production of zirconium dioxide after the chlorination step and binder - crystalline hydrates of sodium polysilicate NaO·4SiO·10HO or NaO·5SiO·9HO or NaO·6SiO·8HO, with the following ratio of components, wt %: crystalline hydrate of sodium polysilicate (1.5-2.5), chrome magnesite (12-17), bauxite (1.5-2.0), dinas (58.5-73.0), wastes from production of zirconium dioxide after the chlorination step (12-20).EFFECT: concrete obtained from the disclosed mixture has higher initial deformation temperature under a load, heat resistance and water resistance.1 cl, 1 tbl, 3 ex |
