FIELD: chemistry.
SUBSTANCE: invention relates to compositions of putty for levelling surfaces of concrete articles. The putty contains the following in wt %: cement 28.0-32.0; clay, which is burnt before sintering and ground to specific surface area 4500-5000 cm2/g, 37.0-46.0; water 24.0-28.0; 7% solution of a polyvinyl acetate dispersion 2.0-3.0.
EFFECT: high strength of adhesion of the putty with concrete surface.
1 tbl
| Title | Year | Author | Number |
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| PUTTY | 2011 |
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