| 摘要 |
<p>A novel light mortar contains (by wt., on dry basis) 0.1-5(pref. 0.1-2, esp. 0.2-1)% foamed polystyrene particles of up to 6 mm. size, 3-18 (pref. 4-15, esp. 5-10) % perlite particles of up to 6 mm. size, 35-80 (pref. 40-80)% cement, 10-20 (pref. 14-18)% lime and 0.1-0.5 (pref. 0.2-0.3)% fluidiser.</p> |
