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PassivationPassivation is the process where a relatively active surface that can corrode or stain is deliberately treated with chemicals to convert the surface to a passive one.

PassivationPassivates contain chromium compounds and are used extensively on zinc plated surfaces to extend the useful life of finished components. The colour of the chromate film changes as the film layer becomes thicker, from blue to yellow and through to olive / black.

Hastings Metal Finishers are an ISO 9001 registered company
Hastings Metal Finishers Ltd are specialist electroplaters. We concentrate only on doing the things at which we excel. To satisfy our customers' requirements we operate an accredited quality management system in accordance with BS EN ISO 9001:2008. We have an on-site laboratory for physical and chemical testing and all work can be carried out in accordance with the required British Standard, Defence Standard or other customer specification.
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