Standard Specification for Gypsum Keene’s Cement
STANDARD published on 1.4.2026
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Designation standards: ASTM C61/C61M-26
Publication date standards: 1.4.2026
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM
This specification covers various grades of anhydrous calcined gypsum known as gypsum Keene´s cement, designed for use in the base and finish coats of gypsum plaster. The cement shall show a combined water content not more than the specified value when tested in accordance with the referenced test method. The cement shall conform to the required physical properties and shall undergo tests on setting time, compressive strength, and fineness.
Keywords:
anhydrous gypsum, gypsum, gypsum Keene’s cement, gypsum plaster, Keene’s cement, plaster ,, ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)