... Cobalt Aluminate Blue Spinel ,Pigment Blue 28,high temperature resistant pigment,it is a bright color with reddish blue ... easy to disperse, with excellent heat resistance,weather resistance,acid & alkali resistance,and resist to a variety of solvents ... .3.5)CompliantREACHCompliantApplications:It is mainly used in high temperature (resistant) coatings, ceramics, enamels, glass coloring, coloring of high ...