FIELD: chemistry.
SUBSTANCE: invention relates to production of construction materials. The mixture for making heat-insulation boards contains, pts.wt: water 340-360; waste paper 260-300; phosphogypsum 50-60; urea-formaldehyde resin 4-6; starch 4-6; carboxymethyl cellulose 4-6.
EFFECT: low consumption of binder while maintaining strength.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| MIXTURE FOR MAKING HEAT-INSULATION BOARDS | 2012 |
|
RU2484040C1 |
| MIXTURE FOR MAKING HEAT-INSULATION BOARDS | 2012 |
|
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| MASS FOR PRODUCTION OF GYPSUM BOARDS | 2009 |
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|
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| MIXTURE FOR MAKING PHOSPHOGYPSUM BOARDS (VERSIONS) | 2012 |
|
RU2496737C1 |
| MIXTURE FOR MAKING GYPSUM BOARDS | 2011 |
|
RU2455251C1 |
