Revision: S
Finish: Gold
Company: In-met Products
Application: Gold plating for contacts (Brass or Beryllium Copper alloys) per ASTM B488-11, Type II, Grade C, Class 1.25 OR MIL-G-45204C, Type II, Grade C, Class 1
Appearance: Varies
Plate Thickness: .000053-.000085″ Average
Strike Thickness: ASTM B488-11 6.5.1 – For thickness classes except 5.0, a nickel underplating shall be applied before the gold coating when the product is made from copper or copper alloy. MIL-G-45204C 6.3 – a copper, nickel, or copper plus nickel underplate may be used, depending on the application and the environment. Silver or copper plus silver may not be used unless required by item specification. A soft gold strike from a separate plating tank should follow any other undercoating and precede the final gold coating to improve adhesion and prevent contamination of the main gold plating solution by metallic impurities. When applied to a copper rich surface such as brass, bronze or beryllium copper or a copper plate or strike, an antidiffussion underplate such as nickel shall be applied.
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