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Phosphate is a conversion coating commonly used on steel components for corrosion protection, lubricity or as a pre-treatment for further coating or painting. A typical Phosphating process will include a series of cleaning, pickling and rinsing processes, prior to the parts being immersed in a Phosphate bath and subsequently rinsed and dried ready for further processing or treated with oil as a completed process.

Phosphating will provide short term corrosion protection when treated with an oil, grease or other sealer, this process is commonly known as Phosphate & Oil. Phosphate on its own it will provide only very little corrosion resistance due to the porous nature of the finish.

It is a superb pre-treatment for a wide range of coatings with its excellent adhesion properties due to the porosity and nature of the crystalized finish allowing for additional materials to work their way in before becoming mechanically interlocked after curing

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