si: 75%min, c: 0.2%max, al:1.5%max, p: 0.04%max, s: 0.02%max size: 50-100mm, packing: in plastic woven bag net each 1000kg si: 75%min, c: 0.2%max, al:1.5%max, p: 0.04%max, s: 0.02%maxsize: 50-100mmpacking: in 1mt big bagshipment: by container or by bulk vessel