... . : 1332-37-2Packing: 25KG/PP BAG Application: Iron Oxide Red is used as dye or colorant in various prefabricated concrete ... parts,architectural products and materials, i.e. walls, terraces, ceilings, pillars, corridors,roads, car-park, stairs ... , as well as various building ceramic and glazed ceramics, i.e. facing bricks, floor tiles, roofing tiles, panels, terrazzo, ...