IS 9839 : 1981 Chromate conversion coatings on electroplated zinc and cadmium coatings

1 Scope

1.1 This standard specifies requirements relating to chromate conversioncoatings on zinc and cadmium intended to give protection against corrosion.Finishes for giving particular Colour or specifically to improve Paint adhesionare not covered by this standard.

2 References

IS 2 :1960 Rules for rounding off numericalvalues

IS 8602 :1977 Method of testing chromate coating on zinc and cadmium

IS 9844 :1981 Method of testing corrosion of electroplated andanodized aluminium coatings by neatural salt spray test