Description: Iron oxide yellow 313 is a yellow inorganic pigment in powder form. Specifications: Item Index Fe2O3 86%min Water content 1%max Salt soluble in water 0.5%max Absorption of oil 35%max Residue after sifting (through 325 mesh) 0.3%max Application Iron oxide yellow 313 own good property, high tinting strength, outstanding light fastness, strong absorption of ultraviolet light and fine dispersing, which make it widely used as colorant for cement products and paintings. Packaging & storage In 25kg three layers pp woven bags. Keep it in cool, dry place.