Specification for gypsum building plasters. Excluding premixed lightweight plasters|Gypsum plaster, Construction materials, Plasters, Mortars, Cement and concrete technology, Plaster of Paris, Chemical composition, Chemical analysis and testing, Ignition-loss tests, Strength of materials, Test equipment, Sampling methods, Specimen preparation, Consistency (mechanical property), Mechanical testing, Moulding equipment, Impact testing, Expansion (deformation), Extensometers, Sieving, Marking, Classification systems, Quality