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ASTM B940-05(2020)

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Standard Practice for Testing Non-Chromate Coatings on Zinc and Cadmium Surfaces
standard by ASTM International, 05/01/2020

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Description

1.1 This practice covers a procedure for evaluating the protective value of chemical and electrochemical conversion coatings produced by non-chromate (chromate being defined as a compound that has chromium in the plus six oxidation state, and as such, chromium compounds in other oxidation states, such as plus three, shall not be excluded) treatments of zinc and cadmium surfaces.

Product Details

Published:
05/01/2020
Number of Pages:
3
File Size:
1 file , 58 KB