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Zinc Plating

Zinc Plating protects various base materials from corrosion. The zinc acts as a "sacrificial coating", corroding before the base material which greatly extends part life. To increase the corrosion protection South West Metal Finishing offers RoHS compliant trivalent passivates as well as the standard hexavalent passivates in clear and colour.

Zinc is an efficient coating, with a minimal environmental impact. Plated zinc is not recommended for equipment that is continually immersed in solutions, used in a vacuum (spaceflight) and It is also not typically recommended for aerospace applications.

Zinc Plating Capabilities

  • Various plating thickness ranges
  • Precision rack processing
  • Precision masking
  • Post-plate hydrogen embrittlement relief thermal treatment
  • RoHS compliant clear, yellow and black Trivalent post-plate treatments
  • Clear, yellow, black and olive drab chromate treatments
  • Barrel Plating for larger bulk items
  • Plating thickness analysis using XRF technology, Magnetic methods

Example Specifications

  • American Society for Testing and Materials (ASTM)
  • Aerospace Material Specification (AMS)

Applications For Zinc Coatings

  • Aerospace fasteners
  • Automotive brake castings
  • Electronics computer chassis

Related Finishes

I have recommended you on many occasions. It's great service.
Would recommend as they provide good overall service.
The quality of products is good. I can rely on their deliveries and communication is good.
They get the job done, no issues or drama
We have a good working, professional relationship and SWMF endeavour to achieve our aims and aspirations.