Quality Metal Finishing Services Since 1969

Gold Plating

hard acid gold plating servicesClick to enlarge

Other than its aesthetic appearance, gold plating has many useful characteristics. The first being that it provides excellent corrosion and tarnish resistance. Second, gold plating is a great finish if conductivity is a major concern. One of the important characteristics of gold plating is that it has an extremely low contact resistance for electricity. Lastly, gold provides a great finish for solderabilty.

Del's Plating is your source for gold plating services. Feel free to contact us or give us a call with any questions, concerns, or comments that you may have regarding our industrial gold plating services!

Gold Plating - Types, Grades & Classes

  • Type I: 99.7% gold minimum (Grades A, B, or C).
  • Type II: 99.0% gold minimum (Grades B, C, or D).
  • Type III: 99.9% gold minimum (Grade A only).
  • Grade A: 90 Knoop maximum.
  • Grade B: 91-129 Knoop.
  • Grade C: 130-200 Knoop.
  • Grade D: 201 Knoop and over.
  • Class 00: .00002" minimum thickness
  • Class 0: .00003" minimum thickness
  • Class 1: .00005" minimum thickness
  • Class 2: .00010" minimum thickness
  • Class 3: .00020" minimum thickness
  • Class 4: .00030" minimum thickness
  • Class 5: .00050" minimum thickness
  • Class 6: .00150" minimum thickness


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