... leather dyeing, plastic coating, printing ink, stationery, ink, metal, paint, eyeglasses, packaging paper, aluminum foil, vacuum plating PVC, PET, and OPP ... based inks10, a printing ink used for other paper or metal surface with a metal complex dyes (such as screen printing)11, ... to applications 300-400 mesh strainer filtering a step to prevent the precipitated substances into.3, when dissolved, the ...