Résumé
Specifies methods for determining certain physical properties of gypsum plasters in powder form, i.a., fineness of grinding and non-compacted bulk density. Describes also the preparation of the test sample and the test apparatus.
Specifies methods for determining certain physical properties of gypsum plasters in powder form, i.a., fineness of grinding and non-compacted bulk density. Describes also the preparation of the test sample and the test apparatus.