FIELD: building materials. SUBSTANCE: method involves the use of two-component substance based on nitrilotrimethylenephosphonic acid and condensation product of α-naphthalenesulfoacid with formaldehyde as stabilizing component at the following ratio of components, wt.-%: microsilica 40-70; nitrilotrimethylenephosphonic acid 0.02-0.14; condensation product of a-naphthalenesulfoacid with formaldehyde 0.02-0.14, and water - the rest. Suspension is used as addition to concrete. EFFECT: increased fluidity and stability of suspension. 2 tbl
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Authors
Dates
1997-07-27—Published
1994-08-04—Filed