Zeolite.
Milled natural zeolite (61% silica content), ball quartz silica (crytal clear & milky white 99.97% silica content & 0.003% fe).
Ferrous, Non Ferrous And Precious Metal Prime Materials And Slags, Sludges, Residues, Spent Catalysts, Drosses, Filter Cakes, Tubings, Dusts, Fines, Hard Scraps, And Aluminum, Cadmium, Chrome, Cobalt, Copper, , Iron/chrome, Lead, Magnesium, Manganese, Molybdenum, Nickel, Palladium, Platinum, Rare Earths, Rhenium, Rhodium, Ruthenium, Selenium, Silver, Vanadium, Manganese, Tungsten, Tantalum, Tin, Titanium, Steel And Stainless Steel.