Plating Gold and other Surface Coating Technologies

If you need to know about plating gold, silver, tin, copper or other industrial coating technologies such as anodising or electroless nickel plating, then Frost Electroplating should be your first port of call.  With over 130 years of experience and know-how, this Midlands-based company knows everything there is to know about surface coating technologies.

 Here, we give a brief insight into the world of surface coating.

Plating services

In layman’s terms, plating is a process where a fine layer of metal is deposited on a surface of a substrate (the metal or possibly glass and ceramics to which the process is to be applied).  For example, when plating gold, a fine layer of a metal such as silver, copper or tin will be deposited on the gold substrate through a process known as electroplating.

Electroplated finishes for industrial use is achieved at Frost Electroplating by the following methods:

  • Continuous reel to reel strip plating – Suitable for plating strips of already engineered products or reels of an un-punched substrate, depending on the customer’s specifications.
  • Barrel plating – This is a somewhat low-cost method of plating, mostly used for small parts. The products to be plated are placed inside a barrel which is submerged in the plating solution.  The barrel is slowly turned to achieve an even coverage.  Using this method means that a high volume of products can be plated at the same time.
  • Rack plating – This is often used for fragile or large products. The products are suspended on a rack using metal hooks or bands and then placed in the plating solution.

The process used will be dependent on your product type, shape, size and the finish required and what will provide the most cost-effective solution.

 

Hard and sulphuric acid anodising

There are two types of anodising processes which Frost offer, hard anodising and sulphuric acid anodising.  Both have been developed to meet a wide range of needs from corrosion protection to decorative purposes.  Anodising is achieved through an electrolytic process.

Anodised finishes are suitable for use in industries which requires high performance and demanding technical requirements, such as aerospace, defence, space and precision engineering.

 

Electroless nickel

Using a nickel boron coating, electroless nickel plating allows the plating of non-metallic items as well as metallic.  This innovative process means that it is now possible to coat products made of glass and ceramics.

These coatings have also been developed to help companies comply with the strict Restriction of the Use of Certain Hazardous Substances (RoHS) Directive.

 

Why do my products need to go through a surface coating process?

Surface coating technologies have been developed to meet a wide range of technical needs and offer many advantages.  These include:

  • Provision of exceptional electrical and thermal conductivity. For the electronics industry, this is a key requirement and plating gold or silver will satisfy these demands.
  • Improved solderability.
  • Enhanced corrosion and chemical resistance. For the aerospace and defence sectors where parts are subjected to extreme conditions, this is essential.
  • Exceptional durability.
  • A wide range of decorative finishes.
  • Coatings available which offer high hardness even on glass and ceramics.

 

About Frost Electroplating

Depending on your product and requirement, Frost Electroplating is able to offer a wide range of surface coating technologies to meet all of the technical needs mentioned above and more.  Our extensive capabilities, combined with our expertise, means that we are able to develop a coating solution to meet your exact needs.  All of our processes are supported by strict quality control procedures to ensure that we only deliver high quality solutions.

For more information on plating gold, or any of the other services mentioned above, please visit our website or contact us on 0121 433 3091.