... PR101, Color Index 77491, Pigment Red 102, P.R.102, PR102, Fe2O3, Ferric oxide, Iron (III) Oxide Anhydrous2.C.I. Number: ... 4MIO 2F4. Application: As an important inorganic colorant, iron oxide red is characterized high opacity, strong tinting strength, easy ... extensively used in concrete, roofing tile, paver, stucco, masonary, paint, coating, rubber, plastic, paper and leather industries etc.5 ...