... 20’FCL(Iron Oxide Green/Brown/Orange)4.Product Applicationmainly used in construction materials,coatings, paint,printing ink, papers, road ... paver ,plastic,rubber,cosmetics,anti-rust coating,etc.1) Used in many types of paints, including anti-rust paint, water ... -soluble indoor/outdoor paints and oil-based paints.2) Used for dyeing construction materials, such as mosaic bricks, for concrete bricks ...