About us

Protech Finishing Ltd

Founded in 1989, we are proud to be specialists in anodising and electroplating and we concentrate our expertise in these two areas so we can provide unrivalled service and quality. We have built our business over decades on trusted working relationships with specialist companies and big names in motorsport, aerospace, defence and electronics.

We have particularly distinctive capabilities in selective processing and can finish custom one-off components right through to medium volume runs to very precise specifications.

Our high quality output, responsive turnaround and exceptional attention to detail bring clients back to us time and again. Our growth in recent years has led to expansion into a new, specifically designed, state-of-the-art, facility.

For higher volume and larger scale anodising and alocrom work, our sister company Redditch Anodising Ltd can provide a top quality service at competitive prices.


Products

Acid Etching Process

Acid Etching Process

Acid Etching Process In order to prepare the surface for anodising it is necessary to etch the aluminium substrate. The Acid Etching Process removes...

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Aerospace Anodising and Electroplating

Aerospace Anodising and Electroplating

We are proud to be specialists in Aerospace anodising and electroplating. We concentrate our expertise in these two areas so we can provide unrivalled...

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Anodising Etching Process

Anodising Etching Process

Anodising Etching Process In order to prepare the surface for anodising it is necessary to etch the aluminium substrate. The Anodising Etching Proces...

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Anodising Sealing

Anodising Sealing

Anodising Sealing Anodising Sealing is a process used after anodising the parts are sealed which improves corrosion resistance, maintains colourfastn...

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Chromate Conversion

Chromate Conversion

Chromate conversion coats metal surfaces using a chemical reaction. Chromate Conversion forms a complex chromate film over the entire metal surface. ...

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Chromic Acid Anodising

Chromic Acid Anodising

Chromic acid anodising is the oldest anodising process. Chromic Acid Anodising offers excellent corrosion resistance whilst creating little or no fati...

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Defence Anodising and Electroplating

Defence Anodising and Electroplating

We are proud to be specialists in defence anodising and electroplating. We concentrate our expertise in these two areas so we can provide unrivalled s...

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E6 Caustic Etching Process

E6 Caustic Etching Process

E6 Caustic Etching Process In order to prepare the surface for anodising it is necessary to etch the aluminium substrate. The E6 Caustic Etching Proc...

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Electroless Nickel

Electroless Nickel

The Electroless Nickel process is an auto catalytic chemical reaction in which your component acts as the catalyst. Electroless Nickel provides a cons...

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Hard Anodising

Hard Anodising

Hard anodising uses the standard anodising process but in a more concentrated and colder tank. Hard anodising means the micropores created in the anod...

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Hot Water Sealing

Hot Water Sealing

Hot Water Sealing Hot Water Sealing is a process used after anodising the parts are sealed which improves corrosion resistance, maintains colourfast...

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Medical Anodising and Electroplating

Medical Anodising and Electroplating

We are proud to be specialists in medical anodising and electroplating. We concentrate our expertise in these two areas so we can provide unrivalled s...

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Motorsport Anodising and Electroplating

Motorsport Anodising and Electroplating

We are proud to be specialists in motorsport anodising and electroplating. We concentrate our expertise in these two areas so we can provide unrivalle...

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Nickel Fluoride Sealing

Nickel Fluoride Sealing

Nickel Fluoride Sealing Nickel Fluoride Sealing is a process used after anodising the parts are sealed which improves corrosion resistance, maintain...

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Selective Processing

Selective Processing

For bespoke, precision components, there’s often a need to combine more than one treatment in order to achieve exacting performance requirements. For ...

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Silver and Gold Plating

Silver and Gold Plating

We also provide silver and gold plating services for specialist applications. Silver and Gold Plating processes offer a very decorative coating Silv...

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Sodium Dichromate Sealing

Sodium Dichromate Sealing

Sodium Dichromate Sealing Anodising Sealing is a process used after anodising the parts are sealed which improves corrosion resistance, maintains col...

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Stainless Steel Passivation

Stainless Steel Passivation

The Stainless Steel Passivation process is performed to make a stainless steel surface passive, in order to increase corrosion resistance. Stainless S...

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Sulphuric Anodising

Sulphuric Anodising

Sulphuric anodising is also known as natural anodising, silver anodising, decorative anodising or satin anodising, depending upon the etch or dyes use...

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Zinc Plating

Zinc Plating

Zinc plating is used to protect and improve the appearance of ferrous metals (iron and steel), creating a corrosion barrier and a sacrificial coating....

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Protech Finishing Ltd

  • 97-98 Bunting Road
  • Kingsthorpe Hollow
  • Northampton
  • Northamptonshire
  • NN2 6EE

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