FIELD: chemistry.
SUBSTANCE: invention relates to production of building materials based on phosphogypsum binder. The crude mixture for making gypsum brick contains, wt %: phosphogypsum binder 48-52; quartz sand 15.5-20; urea-formaldehyde resin 2-3; sodium chloride 1-1.5; water 26-28.
EFFECT: high strength of gypsum brick.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| CRUDE MIXTURE FOR MAKING GYPSUM BRICK | 2012 |
|
RU2494065C1 |
| CRUDE MIXTURE FOR MAKING GYPSUM BRICK | 2012 |
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|
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