... the application areasThe product application areas: wood coloring, stamping materials, leather dyeing, plastic coating, printing ink, stationery, ink, metal, ... as vacuum and plating, etc.)7, natural and synthetic leather surface coloring8, shoe polish stain9, metal complex dyes for ... was complete, waiting for 1-2 hours, with stirring stationary precipitate. If undissolved best dye, and then adding an ...