FIELD: manufacture of building materials.
SUBSTANCE: dry plaster mix suitable for finishing operations contains, wt %: gypsum 94.0-96, perlite 2.6-3.6, lime 1.13-1.8, retardant 0.032-0.042, cellulose ether 0.082-0.12, re-dispersed latex powder 0.02-0.03, starch ether 0.082-0.12, and air-entraining additive 0.02-0.03. Mix can be used when plastering walls with rough surface.
EFFECT: improved plasticity and increased water retention.
2 tbl
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