| 摘要 |
<p>Building material mixture contains water glass; more than 10 wt.% latent hydraulic binder; and a metal salt selected from metal hydroxide, metal oxide, carbon-containing metal salt, sulfur-containing metal salt, nitrogen-containing metal salt, phosphorus-containing metal salt, and halogen-containing metal salt. The metal salt acts as a control agent. Preferred Features: The building material mixture contains 2-20, preferably 7-20 wt.% water glass powder; up to 50 wt.% latent hydraulic binder selected from foundry sand, fly ash, micro-silica, ground trash, brick dust and oil shale. The mixture further contains 4-15 wt.% cement.</p> |
