Specifications Our Metal & Plastic products undergo meticulous processing and packaging to ensure strict compliance with the exacting standards and specifications established by ISRI. Copper View More Aluminum View More Zinc View More Lead View More Nickel View More Brass & Bronze View More Steel View More Other Metals View More Copper View More Aluminum View More Zinc View More Lead View More Nickel View More Brass & Bronze View More Steel View More Other Metals View More