| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention pertains to industry of construction materials. Artificial rock contains cement, calcium carbonate based sand, iron oxide, iron hydroxide, water, crushed and expanded schungite with particle size of 5-20 mm, with the following ratio of components in wt %: cement 20-23; calcium carbonate based sand 17-41; iron oxide 1-2; iron hydroxide 1-2; water 20-23; said schungite 15-40. ^ EFFECT: obtaining environmentally safe artificial rock. ^ 1 tbl |
