CU-56HF Copper Anti-Tarnish Agent

Product Introduction

  •  Water-soluble liquid designed to prevent tarnish and oxidation on copper surfaces after electroless or electroplating processes.

  • Can be used as a final surface finish for bare copper boards, serving as an effective alternative to Hot Air Solder Leveling (HASL).

  • Provides long-term storage protection for PCBs with bare copper surfaces.

  • The protective coating is fully transparent, offering corrosion resistance several times higher than untreated copper.

  • Chromate-free formulation and highly cost-effective in operation.

  • Can be applied in the final rinse stage after copper plating; no subsequent rinsing required.

  • The protective film can be completely removed through standard degreasing followed by acid pickling.

Copper Plating Applicable

Effectively Reduce Costs

Imported Alternative

The additive fully complies with the RoHS regulations, containing no lead, cadmium, mercury, hexavalent chromium, PBB, or PBDE.

Interested in the product?