FIELD: chemistry.
SUBSTANCE: invention relates to production of construction materials. The mixture for making heat-insulation boards contains the following, pts.wt: water 340-360; waste paper 160-200; phosphogypsum 50-60; urea-formaldehyde resin 3-4; starch 2-3; hydrolysed lignin 3-4; carbonate sand 160-200.
EFFECT: reduced consumption of binder in the mixture for making heat-insulation boards.
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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| MIXTURE FOR MAKING PHOSPHOGYPSUM BOARDS (VERSIONS) | 2012 |
|
RU2496737C1 |
