Industrial and decorative phosphate conversion coatings
is a common process used on iron and ferrous alloys. Phosphate conversion
alters the surface of the metal by creating phosphate crystals; this improves resistance to corrosion by forming a base for the application of paint.
is a specific process where objects are immersed in a bath of phosphate and phosphoric acid, which causes a chemical reaction on the surface of the metal.
Decorative phosphating imparts anti-rust and anti-seizing properties; the coating only achieves its ideal anti-corrosive properties after immersion in the appropriate protective oils.
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