comprising a protective coating on the metal layer

Full Title

Compositional and structural details of pigments exhibiting interference colours > Interference pigments characterized by the core material > the core consisting of bismuth oxychloride, magnesium fluoride, nitrides, carbides, borides, lead carbonate, barium or calcium sulfate, zinc sulphide, molybdenum disulphide or graphite > comprising at least one metal layer adjacent to the core material, e.g. core-M or M-core-M > comprising a protective coating on the metal layer