A description is given of a concrete molding which is coated with cement-bound mineral coating composition (cement slurry) and with a transparent varnish, the transparent varnish comprising as binder an aqueous polymer dispersion and also at least one anionic emulsifier containing at least one phosphate and/or phosphonate group.The concrete molding is distinguished by high gloss and can be used in particular as rooftile.

 
Web www.patentalert.com

< Waterproof packing, waterproof connector using the same and process for producing waterproof connector

> 9-Cyano-substituted perylene-3, 4-dicarboxylic monoimides

~ 00475