FIELD: construction.
SUBSTANCE: mass for production of gypsum boards includes, wt %: water 680-720, waste paper 15-20, calcium sulfate dihydrate or phosphogypsum 75-80, urea formaldehyde resin 4.8-5.2, starch 2.2-2.6, carboxymethylcellulose 0.02-0.04, synthetic fibrous filler 1.4-2.0.
EFFECT: improved strength of gypsum boards.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| MASS FOR PRODUCTION OF GYPSUM BOARDS | 2008 |
|
RU2368586C1 |
| MIX FOR MAKING GYPSUM BOARDS | 2009 |
|
RU2393131C1 |
| MIXTURE FOR MAKING GYPSUM BOARDS | 2011 |
|
RU2471742C1 |
| MIXTURE FOR MAKING GYPSUM BOARDS | 2011 |
|
RU2455251C1 |
| MIXTURE FOR MAKING HEAT-INSULATION BOARDS | 2012 |
|
RU2484041C1 |
| MASS FOR PRODUCTION OF GYPSUM PLATES | 2011 |
|
RU2473497C1 |
| MIXTURE FOR MAKING HEAT-INSULATION BOARDS | 2012 |
|
RU2484040C1 |
| MIXTURE FOR MAKING HEAT-INSULATION BOARDS | 2012 |
|
RU2482087C1 |
| RAW MIXTURE FOR MAKING PLASTER BOARDS | 2007 |
|
RU2337892C1 |
| MIXTURE FOR MAKING PHOSPHOGYPSUM BOARDS (VERSIONS) | 2012 |
|
RU2496737C1 |
