Experts in Hard Anodising Services since 1971

We are a dedicated provider of specialist metal finishing services, concentrating primarily on the anodising of aluminium.
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Hard Anodising

Is a branch of sulphuric acid anodising where process conditions have been pushed in a certain direction to achieve significantly harder, thicker, denser films.

Applications involve resistance to wear, corrosion, temperature effects etc.


We have evolved into one of the world’s most advanced suppliers of anodising services to the Aerospace, Defence, Automotive and Precision Engineering sectors…

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We offer a wide range of anodising services meeting a huge list of industry specifications. To find if we can meet your requirements please visit our Specifications page.

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Our Anodising Services

Hard Anodising

The anodising process provides a method of electrolytically increasing the thickness of the naturally occurring oxide film…

Chromic Acid Anodising

Compared with sulphuric acid anodising, the chromic acid anodising process gives relatively soft, thin coatings…

Conversion Coatings

Chromate conversion coatings are obtained by chemical reaction with the metal being treated to form a complex chromate film…

Electroless Nickel Plating

Electroless Nickel Plating is produced by a chemical process alone without the need for an electric current…

Stainless steel passivation

Passivation of Stainless Steels

Passivation of stainless steel parts removes impurities picked up from previous manufacturing operations; fragments…

Selective Coating Masking

Selective Coating/Masking

Masking is applied to preserve close-tolerance dimensions such as threads; to maintain electrical conductivity…

Sulphuric Acid Anodising

Sulphuric Acid Anodising

The types of sulphuric acid are sub-divided into classes mainly determined by the field of application…

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