Assertion: l tartaric acid | /r/HasProperty | based on the plaster
Facets:
Source sentences:
text: To the industrial gypsum plasters with the customary additives of wetting agents, plastifying agents and adhesive agents there are added according to the invention 0.01 to 0.5 weight %, preferably 0.02 to 0.2 weight % of D,L-tartaric acid based on the plaster and, as pointed out above, such an amount of calcium hydroxide is added that the pH of a 5 weight % aqueous paste of the plaster has a pH of at least 11.5.
text: To the industrial gypsum plasters with the customary additives of wetting agents, plastifying agents and adhesive agents there are added according to the invention 0.01 to 0.5 weight %, preferably 0.02 to 0.2 weight % of D,L-tartaric acid based on the plaster and, as pointed out above, such an amount of calcium hydroxide is added that the pH of a 5 weight % aqueous paste of the plaster has a pH of at least 11.5.