Phosphate Coating definition
Phosphate Coating means protective coating formed by reaction of a metallic substrate with an acid phosphate containing solution.
Phosphate Coating means protective coating formed by reaction of a metallic substrate with an acid phosphate containing solution. The primary role of the phospating coating is to enhance the adhesion of the primer ( electro coat or others) to the metal. Phosphate coatings are typically Zn-Fe, Zn-Ni . or Zn -Ni -Mn phosphates.