... Aluminate Blue Spinel ,Pigment Blue 28,high temperature resistant pigment,it is a bright color with reddish blue,which has a special ... :It is mainly used in high temperature (resistant) coatings, ceramics, enamels, glass coloring, coloring of high temperature resistance engineering plastics,food contact ... 46-9JF-B28052.512008528-373.8-5.46-9 High Temperature Pigment Cobalt Blue PB28