| 摘要 |
PROBLEM TO BE SOLVED: To obtain a hardenable inorg. compsn. capable of giving a high strength inorg. hardened body excellent in water and weather resistances. SOLUTION: This hardenable inorg. compsn. consists of 100 pts.wt. reactive SiO2 -Al2 O3 powder, 0.2-450 pts.wt. alkali metallic silicate, 10-1,500 pts.wt. water, 1-300 pts.wt. amorphous Sin. powder having 1-1,000m<2> /g specific surface area and 1-100 pts.wt. at least one of alkali metallic aluminates and alkali metallic borates. |
