FIELD: construction.
SUBSTANCE: cement composition includes self-stressing element, water, marshalite and additive, such as composition containing 96-99 wt % of water and 1-4 wt % of polyhexamethyleneguanidine of given structural formula with average molecular weight of 900-2100 D at the following ratio of components, wt %: self-stressing element - 29.5-29.8, water - 8.4-10.1, specified additive - 0.6-3.0, marshalite - the rest.
EFFECT: giving fungicide properties to cement composition and increase of its viability.
3 tbl
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Authors
Dates
2009-09-27—Published
2008-02-05—Filed