... non-flammable, non-corrosiveness, non-explosion hazard. C.I.Pigment Black 28 Copper Chromite Black Spinel CI # 77428 CAS # ... jet-black powder produced by high temperature calcination. This pigment has good UV and visible opacity, is chemically inert, ... inks, dispersions, concrete, plastics, and other applications where equivalent pigment chemistry is used. This product is very easily dispersible, does ...