Materials Accepted :Aluminum, Brass, Copper, Lead-Acid Batteries, Stainless Steel, Cell Phones, Circuit Boards, Keyboards… 10 materials

Materials Accepted :#1 Copper, #2 Copper, 304 Stainless Steel, 316 Stainless Steel, Aluminum, Aluminum Extrusion, Brass,… 11 materials

Materials Accepted :#2 Copper, Aluminum, Aluminum Casting, Aluminum Extrusion, Aluminum Siding, Brass, Copper, Copper #1… 10 materials

Materials Accepted :Aluminum, Copper, Iron, Nickel alloys 4 materials