... Descriptions:Cobalt Aluminate Blue Spinel ,Pigment Blue 28,high temperature resistant pigment,it is a bright color with reddish ... is easy to disperse, with excellent heat resistance,weather resistance,acid & alkali resistance,and resist to a variety of solvents, good ... , ceramics, enamels, glass coloring, coloring of high temperature resistance engineering plastics,food contact plastics,as well as art ...