| 摘要 |
FIELD: fire-protection facility. ^ SUBSTANCE: invention is related to production of lightweight fire-resistant materials used in construction. Charge for preparation of lightweight fire-resistant material contains clay, pitch coke, polystyrene, borax, chamotte, lime and wastes of sulfuric acid production, at the following ratio of components, wt %: clay - 12.0-14.0; pitch coke - 15.0-19.0; polystyrene - 3.0-4.0; borax - 4.0-5.0; lime - 3.0-4.0; wastes of sulfuric acid production - 3.0-4.0; chamotte - the rest. ^ EFFECT: increased strength of lightweight fire-resistant material. ^ 1 tbl |
