Gold Plating Services from Precision Plating

The process of Gold Plating requires the application of a thin layer of gold onto the exterior surface of another metal. At Precision Plating, our specialization in electroplating allows us to offer gold plating services for orders of all sizes. Our gold finishing capabilities include: Continuous Reel to Reel Plating, Rack Plating, Barrel Plating, Vibratory Plating or Prototype Plating, depending on your application.

Gold Plating is valued for its physical properties. As a noble metal, gold has a natural ability to resist corrosion and oxides which can form on the surface of other non-noble metals. Corrosion and oxides can create electrical conductivity issues resulting in poor performance or shortened product life-cycles, which this process can help avoid.

Precision's services use either hard gold or soft gold. Gold's harness is measured on the Knoop scale, which is a way to test microhardness for brittle and thin materials. The type of gold used for plating depends on the application. For example, hard gold is ideal when corrosion resistance is necessary to the job, whereas soft gold is best suited for high reliability solder applications.

Hard Gold

Hard gold is an alloy of 99.7% gold and 0.3% of a hardening agent, most commonly either nickel or cobalt. Gold plating is used as an electrical or electronic contact finish because it is a noble metal that does not oxidize or chemically react in corrosive environments. Hard gold has a Knoop hardness between 130 – 200 and is used where electrical conductivity (especially very low current applications), solderability and/or corrosion resistance are important design requirements. When compared to soft gold, hard gold proves superior contact wear resistance.

Hard Gold Plating Specifications: ASTM B488, MIL-G-45204, MIL-DTL-45204

Soft Gold

Pure gold is naturally soft because it has little to no grain refiners or additives to make the deposit hard. Soft gold is 99.9% pure gold and has a Knoop hardness between 91-115, so it is pliable and is easier to solder than hard gold. Soft gold is typically used in lead frame wire bonding applications and high reliability solder applications where hard gold would not be appropriate.

Plating Specifications: ASTM B488, MIL-G-45204, MIL-DTL-45204


Precision Plating Company offers metal plating services for orders of all sizes

With gold costs at an all-time high, every bit of cost savings and performance is needed to remain competitive. Precision Plating Company's product development and technical support teams can help you eliminate unnecessary costs to meet stringent pricing targets and win more business. When starting the product specification and design process, Precision's team of electroplating engineers prefers to get involved early. This helps our team minimize cost and allows us to take all of your criteria into account to deliver the highest quality product while remaining cost effective.

Contact the Precision Plating Company today to learn more about our services and metal finishing processes. Get a quote or talk to an expert today!
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