Phosphate coating is a particular metals surface treatment producing the metals surface “pickling” and chemical conversion, through spraying or phosphate and phosphoric acid bath immersion. Depending on the phosphate solution used in bath immersion, phosphate coating treatmentscan be as follows:
Manganese Phosphate coating
Zinc Phosphate coatingZinc-Calcium Phosphate coating
Zinc and Zinc-Calcium Microphosphate coating
The result of the phosphate coating process is a uniform layer of phosphate crystals of various thickness and shape, chemically bonded to the substrate, conferring new properties to the processed metal.
excellent wear resistance
friction reduction
anchorage for plastic material application
perfect painting adherence

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