| 摘要 |
<p>Ceramic pumice for washing is disclosed, and it effectively reduces the environment pollution during washing. The pumice has spherical, cylindrical, elliptical, prismatic, polygonal and random shapes, and it is random, porous particles made from mixing clay containing magnesia, kaolin, feldspar, limestone, dolomite and argil, and sintering. Specific weight and pore size of the pumice are 0.6-1.5 g/cm<SUP>3</SUP> and 0.01-3 mm, respectively.</p> |
