| 摘要 |
A non-zinc chloride type flux applied for use in plating a substrate metal member with molten tin, containing at least one chemical compound selected from the group of stannous chloride, sodium chloride, potassium chloride and ammonium chloride and excluding zinc chloride therefrom. The flux is floated on the surface of molten tin in the plating process or used in a condition of solution before the substrate metal member is plated with molten tin.
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