FIELD: construction.
SUBSTANCE: concrete surface finishing composition includes, wt %: gypsum 57.9-62.45; glycerine 0.3-0.4; sodium salt of carboxymethyl cellulose 0.3-0.4; fibre glass cut into pieces of size 2-5 mm 0.8-1.2; sodium borate 0.1-0.15; water 36.0-40.0.
EFFECT: improving bond strength of composition with surface of concrete products.
1 tbl
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