... :Cobalt Aluminate Blue Spinel ,Pigment Blue 28,high temperature resistant pigment,it is a bright color with ... FDA 21 CFR 177.1520CompliantASTM F963-08 (Clause 4.3.5)CompliantREACHCompliantApplications:It is mainly used in high temperature ... (resistant) coatings, ceramics, enamels, glass coloring, coloring of high temperature resistance engineering plastics,food ...