Pigment preparation and ink jet printing ink

摘要

The invention is directed to a pigment preparation comprising aluminium effect pigments, a solvent and at least one additive, wherein said aluminium effect pigments have a d 98 value of the volume averaged particle size distribution curve of less than 15 µm, said at least one additive is a phosphorous containing additive, and said solvent has a viscosity equal to or more than 1.8 mPa·s at 25 °C. The invention is further directed to an ink jet printing ink as well the use thereof.