Assertion: gypsum's product | /r/HasProperty | defined in claim
Facets:
Source sentences:
text: A product comprising a stucco as defined in claim 14 after having been ground to such a degree of fineness that upon being mixed to a mortar consistency with water, it will form a paste which will manifest a plasticity of from 3 to 30 strokes when subjected to the blotter test herein defined.