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|Abstract:||Paper deals with characterization of gypsum, its calcination to β-hemihydrate plaster, chemistry and constitution, setting and expansion. Configuration of Bhutanese gypsum plant and production of gypsum plaster by the process suggested by CBRI vis-a-vis to process adopted by the plant have been explained. Gypsum at 180°C with 1 h retention time gave plaster of better setting and strength properties acceptable to market complying relevant standards.|
|ISSN:||0975-1084 (Online); 0022-4456 (Print)|
|Appears in Collections:||JSIR Vol.65(10) [October 2006]|
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