abstract |
A blended composition containing uncoated Al 2 O 3 flakes having a thickness of ≥500 nm and a D 50 -value of 15-30 μm and a D 90 -value of 30-45 μm, and/or coated Al 2 O 3 flakes having a thickness of ≥500 nm and a D 50 -value of 15-30 μm and a D 90 -value of 30-45 μm, which have been coated with at least one layer of a metal oxide, mixtures of at least two metal oxides, metal, metal sulphide, titanium suboxide, titanium oxynitride, FeO(OH), metal alloys and/or rare earth compounds, and their use in various formulations. |