This European Standard specifies a method of specifying requirements for phosphate conversion coatings, intended primarily for application to ferrous metals, aluminium, zinc, cadmium and their alloys (see annex A).
BS EN 12476:2000 history
2011BS EN ISO 9717:2013 Metallic and other inorganic coatings. Phosphate conversion coating of metals
2000BS EN 12476:2000 Phosphate conversion coatings of metals - Method of specifying requirements