FIELD: chemistry.
SUBSTANCE: invention relates to production of construction materials based on gypsum binder. The mix for making gypsum boards contains the following in pts. wt: water - 680-720, waste paper - 45-50, calcium sulphate dihydrate or phosphogypsum - 50-55, urea-formaldehyde resin - 4.8-5.2, starch - 1.0-1.4, ground limestone - 5-6, superplasticiser C-3 - 0.3-0.35.
EFFECT: lower thermal conductivity of gypsum boards.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| MASS FOR PRODUCTION OF GYPSUM BOARDS | 2008 |
|
RU2368586C1 |
| MASS FOR PRODUCTION OF GYPSUM BOARDS | 2009 |
|
RU2410347C1 |
| MIXTURE FOR MAKING GYPSUM BOARDS | 2011 |
|
RU2471742C1 |
| MIXTURE FOR MAKING GYPSUM BOARDS | 2011 |
|
RU2455251C1 |
| MASS FOR PRODUCTION OF GYPSUM PLATES | 2011 |
|
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| MIXTURE FOR MAKING HEAT-INSULATION BOARDS | 2012 |
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| MIXTURE FOR MAKING HEAT-INSULATION BOARDS | 2012 |
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| MIXTURE FOR MAKING HEAT-INSULATION BOARDS | 2012 |
|
RU2484041C1 |
| CRUDE MIXTURE FOR GYPSUM BOARDS | 2011 |
|
RU2449962C1 |
| MIXTURE FOR MAKING PHOSPHOGYPSUM BOARDS (VERSIONS) | 2012 |
|
RU2496737C1 |
