Electroless nickel phosphorus plating film and electroless nickel phosphorus plating bath

摘要

To provide an electroless nickel-phosphorus plating film that has the same folding resistance as that of an electric nickel plating film.SOLUTION: An electroless nickel-phosphorus plating film has 0.1 to 4.0 mass% of phosphorus content, and includes thallium and sulphur.SELECTED DRAWING: None