| 摘要 |
FIELD: construction.SUBSTANCE: invention relates to production of construction materials, which can be used for heat insulation. Gun mixture contains, wt.%: portland cement, 24.0-27.0; slag and pumice filler, sieved through sieve No. 10, 58.0-65.0; chrysotile asbestos grade 6, 6.5-10.5; ground until passage through screen No. 0.14 zircon, 4.5-5.5, water-cement ratio is 0.5-0.55.EFFECT: higher heat resistance.1 cl, 1 tbl |
