Dow No Tarn PM-3 Silver Antitarnish

No Tarn PM-3 Silver Antitarnish bath was specifically developed for protection of silver from sulphidation. It is based on aqueous, metal-free solution in which the organic inhibitor is present as a fine dispersion. The passivation layer is applied by immersion and is specifically designed for silver surfaces.

Product Features

  • Protects silver deposits from tarnishing
  • No adverse effect on contact resistance, solderability or bondability
  • No influence on colour brightness of underlying deposit
  • Effective protection of tarnishing for copper, palladium and thin gold layers
  • Free from metal ions an halogenated hydrocarbons

Link to No Tarn PM-3 Silver Antitarnish


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