Iron oxide 129 Properties and apperance: red powder with bright colour , resistance to acides and alkalis, fastness to light, heat;Having the good chemical stability , excellent in tinting strength and hiding power. Main uses: used for for making materials of antirust paints , coloring agent in construction material , plastic, rubber industry,also used in chemical fibre,leather making . Packing : in plastic bags of 25kg net each with outside polypropylene fabric bags.