Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Київський Інженерно-Будівельний Інститут, Киевский Инженерно-Строительный ИнститутfiledCriticalКиївський Інженерно-Будівельний Інститут
Priority to UA4944406ApriorityCriticalpatent/UA6526A/en
Publication of UA6526ApublicationCriticalpatent/UA6526A/en
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals
(AREA)
Abstract
A process comprises their heating with the further dipping to the sulphur melt with the temperature 130...150°C, besides gypsum articles are heated to 130-150 °C, and after that before the dipping to the sulphur melt they are hold for 30-60 min over saturated sulphur vapor.
UA4944406A1991-06-131991-06-13Process for impregnation of gypsum products
UA6526A
(en)