ASTM-B940 2014
$35.75
B940-05(2014) Standard Practice for Testing Non-Chromate Coatings on Zinc and Cadmium Surfaces
| Published By | Publication Date | Number of Pages |
| ASTM | 2014 | 2 |
ASTM B940-05-Reapproved2014
Historical Standard: Standard Practice for Testing Non-Chromate Coatings on Zinc and Cadmium Surfaces
ASTM B940
Scope
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.
1.2 The protective value of a non-chromate coating is usually determined by salt-spray test and by determining whether or not the coating possesses adequate abrasion resistance when applied for that purpose.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Keywords
non-chromate coatings;
ICS Code
ICS Number Code 25.220.99 (Other treatments and coatings)
DOI: 10.1520/B0940-05R14
