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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.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| Confirmation date | 2014-11-01 |
| ICS | 25.220.99 : Other treatments and coatings |
| Number of pages | 2 |
| Replace | ASTM B940-05(2009)e1 |
| Set | ASTMVOL0205 |
| Year | 2009 |
| Document history | ASTM B940-05(2009)e1 |
| Country | USA |
| Keyword | ASTM 940;ASTM B940;ASTM B940;10.1520/B0940-05R14 |