| 摘要 |
<p>Self-levelling cement mix for filling up and sealing diggings of channels etc.. after that pipings, sewages and the like have been laid on, and for building works in general, comprising the following components : a) large-sized sand or inert materials of various kind for building industry, with medium-sized grains preferably of 3 mm, b) fine-sized sand or inert materials of various kind for building industry, with medium-sized grains preferably of 1,5 mm, c) ash deriving from coal combustion, d) cement of conventional type, and preferably cement 325 Portland, e) aerating agent for cements, f) fluidifying agent, g) water,wherein this mixing occurs preferably at ambient pressure and temperature and with pre-established compositions.</p> |
