70% of the metal content material will be more or less 10-100mm fraction 30% of the metal content material will be more or less 100-400mm fraction 96-98% is more or less the metal content 2-3% will be red metals Balance with aluminum. Based on our experience, zinc/zamak is about 10% out of the aluminum. 0.5-1% of the metal fraction will be â??low grade_ sandwichâ?? type aluminum. If you are interested please message us in order to send you the details and some photos. Looking forward.