... oil paint, concoctive paint. PRODUCTTYPEIRON OXIDE BLACK C. I. Pigment Black 11Color Index 77499318330740750760Chemical Formula: Fe3O4 or Fe2O3 ... ·FeO As an important inorganic colorant, iron oxide black is characterized high opacity, strong tinting strength, easy ... perfect weather resistance. It is extensively used in concrete, roofing tile, paver, stucco, masonary, paint, coating, rubber, plastic ...