Glassflake-Based Effect Pigments with Extraordinary Sparkle and Colour Dr. Dirk Schumacher Dr. Guenter Kaupp March 1, 2011 No Comments LUXAN effect pigments belong to the group of pearlescent effect pigments that are composed of low refractive transparent substrates coated with high refractive metal oxides, e.g., titanium dioxide or iron oxide.Read More