| 摘要 |
PURPOSE:To obtain a packed mortar suitable to apply to mortar for wall ground or mortar for joint. CONSTITUTION:A proper amount of water is added to 1-6 pts.wt. lime, 1-15 pts.wt. calcium carbide, 35-45 pts.wt. sand, 0.1-0.5 pts.wt. cement, 0.1-0.3 pts.wt. hardening retarder and 0.03-0.1 binder and the mixture is kneaded and then packed into a bag to provide the objective packed mortar. |
