Zinc Plating




Meeting the Demands of our Automotive and Industrial Customers
E.C. Williams Ltd has been supplying an electro zinc plating service for over 90 years. Today we have a modern state of the art processing plant capable of providing a wide variety of electroplating services. As a result, we are able to meet the stringent quality demands of our automotive and industrial customers.
We specialise in the barrel plating of turned parts, pressings and fasteners
We supply zinc plating services to the automotive, fastener and pressings industries. We specialise in the barrel plating of small components such as turned parts, pressings and fasteners. The majority of our work is to OEM and international specifications requiring controlled deposit thicknesses as well as those aiming to achieve defined levels of corrosion resistance.
We offer a comprehensive range of post plating treatments:
- Trivalent passivates (yellow, clear and black)
- Hexavalent passivates (yellow and olive drab green)
- JS500 sealant
- Torque controller
- Lubricants
- Hydrogen De-embrittlement


Speedy Turnarounds and Competitive Rates
In addition to ensuring the very highest quality, our zinc electroplating departments also offer high capacity to meet the demands of industry. This is in terms of speedy turnaround for both large and small batch sizes.
Our rates are consistently competitive
This flexible capacity, together with a system of very accurate pricing, ensures that our rates are consistently competitive.
State of the art equipment
To certify the coating thickness, we have X-Ray Fluorescence test equipment. This equipment quickly and accurately reports the exact amount of zinc deposited.
With our in-house laboratory and trained zinc electroplate technicians, we ensure that our zinc plate solutions are analysed and operated within their optimum parameters.
Unfaltering quality every time
This helps us to ensure that we maintain excellent consistency for all of our zinc plated finishes and zinc passivation. For automotive applications we offer PPAP Level 3 support as well as IMDS information.