The world of inorganic pigments | ChemTexts
WEBMay 30, 2022 · The compatibility of the pigments used with the chalky substrate was a specific problem in the frescoes to be created. ... The resulting metal grit is then mechanically formed into thin platelets in ball mills in the presence of mineral oils, oleic and stearic acids. Dry grinding is out of the question for safety reasons, as the fresh metal ...