DRY RAW MIX FOR PREPARATION OF PUTTY Russian patent published in 2021 - IPC C04B28/04 C04B14/06 C04B24/00 

FIELD: construction mixtures.

SUBSTANCE: invention relates to compositions of dry raw mixtures for the preparation of putties, which can be used for leveling the surfaces of concrete, asbestos-cement products, filling in defects. Dry raw mixture for the preparation of putty contains, wt. pt.: Portland cement 100; quartz sand 210-220; asbestos of 7 variety 60-70; ground quartz glass crushed before passing through a sieve 008 70-75; sodium polyacrylate crushed before passing through a sieve 008 0.1-0.4.

EFFECT: reduced consumption of binder, reduced water absorption of putty, and expanded range of putties.

1 cl, 1 tbl