Cobalt Blue PB28 1.High temperature pigment 2.Non-toxic pigments 3.Special anti-far-infrared function Descriptions:Cobalt Aluminate Blue Spinel ,Pigment Blue 28,high temperature resistant pigment,it is a bright color with reddish blue,which has a special anti-far-infrared function. it is also one kinds of environmental protection pigments, which is internationally recognized as non-toxic pigments ...