... of the complex structure of the metal complex dye is different from the general organic pigments and conventional ... , leather dyeing, plastic coating, printing ink, stationery, ink, metal, paint, eyeglasses, packaging paper, aluminum foil, vacuum plating PVC, PET ... (such as bronzing material)Metal transparent coloring dye (such as upholstery cryogenic paint)4 metal complex dyes, specialty coatings5, ...