FIELD: construction.
SUBSTANCE: invention provides for manufacturing of items from gypsum-containing suspensions, in particular the ones including water and ground alpha-hemihydrate, having distribution of particles by size in the following range: d(0.1)=approximately 3 micrometre - 5 micrometre; d(0.5)=approximately 14 micrometre - 50 micrometre; d(0.9)=approximately 40 micrometre - 100 micrometre and Blaine specific surface from approximately 3100 cm2/g to approximately 9000 cm2/g. The following are characterised: gypsum wall board, gypsum-containing suspension and method of wall board manufacturing.
EFFECT: increased speed of hydration, reduced water demand of suspensions, increased strength of produced items.
24 cl, 7 dwg, 2 tbl, 7 ex
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