... and a stronger fastness; compared with inorganic pigments, metal complex dyes easily dispersed, easy to penetrate, easy to color, ... coloring dye (such as upholstery cryogenic paint)4 metal complex dyes, specialty coatings5, ballpoint pen and a variety of ... resins.ColorfulExcellent anti-acid,anti-alkali and heat resistanceThe Senior Complex Dyes, excluding free heavy metalLiquid dye (color fine) ...