... and durable.2)Strong coloring power, excellent coverage.3)Light permanency and weatherability.4)6-7 grade resistance to ... oxidation and light permeability, 4-5 grade resistance to basic materials.SpecificationsFe2O3 ... Building material Concrete , construction products and cement .such as wall,floor, ceiling,pillar, porh,road, parking lot,floor tiles, tiles,tiles ...