Standard Practice for Testing Chromate Coatings on Zinc and Cadmium Surfaces

Importancia y uso:

4.1 This practice is applicable to chromate coatings of the colorless (both one and two-dip), iridescent yellow or bronze, olive drab, black, colorless anodic, yellow or black anodic types, and of the dyed variety, when applied to surfaces of electrodeposited zinc, mechanically deposited zinc, hot-dipped zinc, rolled zinc, electrodeposited cadmium, mechanically deposited cadmium, and zinc die castings.

Note 1: Colorless coatings are also referred to as clear-bright or blue-bright coatings.

4.2 Because of variables inherent in the salt-spray test, which may differ from one test cabinet to another, interpretation of test results for compliance with expected performance should be specified by the purchaser.

4.3 Properties such as thickness, color, luster, and ability to provide good paint adhesion are not covered in this practice, nor are the chemical composition and the method of application of these finishes.

Subcomité:

B08.07

Referida por:

B0699-86R21E01, D7803-19, B0766-23, B0635-00R23, B0633-23, D6386-22

Volúmen:

02.05

Número ICS:

25.220.40 (Metallic coatings)