david@bcmetalfinishing.co.uk

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Alkali Cleaners

This is the most popular and best accepted method of degreasing on pretreatment plants.

When used by immersion, ferrous and non ferrous substrates are immersed from times varying from five to fifteen minutes up to temperatures of 90°C over a wide range of concentrations. When used by spray the concentrations are lower and the combination of the impingement and choice of surfactant system allow the cleaner to operate at temperatures down to around 25°C on certain applications.

The choice of cleaner is critical when steel, zinc and aluminium are being processed in mixed metal production. The use of liquid alkali cleaners facilitates the use of automatic dosing equipment.

For further technical information on our product range please call Brian on 01204 495818 or email us to see which process meets your individual requirements.


A typical example would be Metaclean AL 101 – Alkali Cleaner
Metaclean AL 101 is a powder cleaner used by immersion for treating steel, zinc and aluminium substrates alone or in mixed metal production.


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BC Metal Finishing

Phosphate Pretreatment Chemicals

A range of Phosguard products including manganese, zinc, zirconium and lightweight iron phosphate process which improve the corrosion resistance and adhesion when followed by paint or powder coatings.

BC Metal Finishing

Nano Treatments

These nano treatments or can we say Oxsilan replace the conventional lightweight iron and zinc phosphates. They are used on steel, zinc and aluminium substrates at room temperature and produce little or no sludge giving excellent adhesion and corrosion resistance.

BC Metal Finishing

Chrome Free Coatings

Phosguard NC 304 is a chrome free dry in place pretreatment for aluminium which can be made up in town’s water does not require post rinsing.