| http://www.w3.org/ns/prov#value | - The novel acidic tin immersion coating of the invention and process is especially effective for plating an aluminum-copper alloy or an aluminum-silicon alloy substrate in a process that utilizes a cyanide free immersion zincating step or steps, followed by the electrolytic application of a metal layer or layers, such as zinc, chromium, copper, nickel, or combinations thereof, whether alloy combina
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