FIELD: chemistry.
SUBSTANCE: invention relates to technology of silicates and concerns composition of stone casting, used in construction. Stone casting includes the following constituent materials in mass %: SiO2 - 53.0-57.0; Al2O3 - 9.0-11.0; CaO - 8.0-12.0; MgO - 10.0-14.0; FeO - 0.9-1.5; Fe2O3 - 2.3-3.0; Na2O - 1.5-2.5; MnO - 4.0-6.0; SO3 - 0.1-0.2; B2O3 - 1.5-2.5.
EFFECT: increase of strength of stone casting.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| STONE CASTING | 2007 |
|
RU2351565C1 |
| GLASS | 1991 |
|
RU2015120C1 |
| GLAZE | 2006 |
|
RU2337075C1 |
| STONE CASTING | 2015 |
|
RU2599813C1 |
| STONE CASTING | 2008 |
|
RU2377196C1 |
| BLACK GLASE | 2009 |
|
RU2413683C1 |
| GLASS | 2006 |
|
RU2326064C1 |
| GLASS | 2006 |
|
RU2326063C1 |
| STONE FOUNDING | 1991 |
|
RU2014308C1 |
| FOAM GLASS | 2007 |
|
RU2354617C1 |
