... application areasThe product application areas: wood coloring, stamping materials, leather dyeing, plastic coating, printing ink, stationery, ink, metal, ... paint, eyeglasses, packaging paper, aluminum foil, vacuum plating PVC, PET, and OPP plastic film coloring, the product can ... as vacuum and plating, etc.)7, natural and synthetic leather surface coloring8, shoe polish stain9, metal complex dyes ...