Super detergent action cleans as it solders; non-acid, non-toxic, lead-free;Contains no zinc chloride; use with all lead-free and common soft solders;For use on copper, brass, galvanized iron, lead, zinc, tin, silver, nickel mild steel, terne plate, and malleable iron;Meets mil. Spec. Mil-F-4995 type II; super detergent action cleans as it solders

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