Lead-Free White Bright Bronze Process For Rack And Barrel Applications

The AURALLOY 420 LF is a bronze electro-plating process applicable for both decorative and technical purposes as a Nickel replacement. It produces Copper – Tin — Zinc alloy deposit.

Due to its wear and corrosion resistance properties and silver-like colour AURALLOY 420 LF is generally used as a final finish. The process is stable and easy to operate. What’s more, it provides a hard, bright, uniform deposit over a wide range of operating conditions.


Features & Benefits

  • Nickel and Lead-free
  • Silver- White aspect
  • High wear and corrosion resistance
  • High solderability
  • Hardness: 450 – 550 HV
  • Melting point: 350 – 400°C

Fields of application

  • Electronics and connectors
  • Packaging
  • Fashion, Design & Luxury

This process belongs toAURALLOY LINE

The AURALLOY Line is a full range of processes providing yellow and white layers of bronze as flash or thick deposits in rack and barrel plating. They have been designed to replace Nickel or Gold under layers in various kinds of decorative applications.

As a part of AURALLOY brand we offer a  new generation of lead-free bronze processes based on organic brighteners – AURALLOY LF SERIES that offer stable and easy to control formulations. They provide significant ductility with a good barrier effect to the diffusion.

These processes can be used as top coats or under layers for gold and palladium. Due to the high corrosion and wear resistance they are particularly suitable for jewellery and decorative applications.

Fields of applications

  • Perfumery
  • Jewellery
  • Fashion and leather good accessories
  • Apparel
  • Decorative applications
  • Leisure Equipment
  • Lighting
  • Furniture
  • Packaging

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