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Ingredients: aluminum Al3.9-4.3, copper Cu 2.7-3.3, magnesium Mg0.025-0.05, iron Fe (max) 0.035, lead Pb (max) 0.0040, cadmium Cd (max) 0.0030, tin Sn (max) 0.0015, nickel Ni (max)/, zinc: residual