FIELD: chemistry.
SUBSTANCE: invention relates to production of construction materials based on gypsum binder. The mixture for making gypsum boards contains the following in pts.wt: water 680-720; waste paper 100-140; gypsum dihydrate or phosphogypsum 90-100; starch 1.5-2.
EFFECT: ensuring environmental safety of the obtained materials.
1 tbl
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Authors
Dates
2012-07-10—Published
2011-03-21—Filed