Common Trade Names for Zinc-Flake Coatings Trade Name Manufacturer / Owner Notes Geomet NOF Metal Coatings Group Cr-free; most widely OEM-approved worldwide Dacromet NOF Metal Coatings Group Older generation; contains Cr(VI) unless specified Cr-free GeoBlack NOF Metal Coatings Black variant of Geomet; mainly used for automotive appearance parts Plus (e.g., GEOMET 500 PLUS) NOF Enhanced … Continue reading Common Trade Names for Zinc-Flake Coatings