| 摘要 |
<p>This coating, of the type with two components, one being liquid, the other solid, which are mixed at the time of use, is such that the solid component comprises, in per cent by weight, from 20 to 60% of a hydraulic binder chosen from the group consisting of plaster, cement and swelling calcium bentonite, from 10 to 40% by weight of a branched product chosen from the group consisting of wood sawdust and ground metallurgical slag, and from 2 to 10% of micronised natural mica, while the liquid component comprises, dispersed in water, an acrylic copolymer resin of basic pH in a quantity representing from 30 to 50% by weight of the component, and a suitable plasticiser, the mixing of the liquid component and of the solid component being carried out so that the liquid component represents from 80 to 100% by weight of the solid component.</p> |
