This product is non-flammable, non-corrosiveness, non-explosion hazard. C.I.Pigment Blue 28 Cobalt Aluminate Blue Spinel CI #77346 CAS # 1345-16-0Physical Form: Blue PowderCrystal Pattern: Spinel Pattern A rich blue powder produced by high temperature calcination. This pigment has good UV and visible opacity, is chemically inert, heat resistant, and stable to ultraviolet light. It is non-bleeding ...