Process for dyeing asphalt

摘要

This invention relates to a process for dyeing asphalt and/or bitumen with inorganic granulated pigments, which is characterized in that inorganic pigments, to which have been added oils which possess a kinematic viscosity at 40 DEG C. (DIN 51 561) of 1.6 to 1,500 mm2/s, and/or waxes, polyols, polyethers and paraffins with dropping points (DIN 51 801, ASTM D 566) of between 50 DEG and 180 DEG C. as binding agents, are granulated and mixed with the asphalt and/or bitumen.