Standard Active Last Updated: Dec 19, 2019 Track Document
ASTM G85-19

Standard Practice for Modified Salt Spray (Fog) Testing

Standard Practice for Modified Salt Spray (Fog) Testing G0085-19 ASTM|G0085-19|en-US Standard Practice for Modified Salt Spray (Fog) Testing Standard new BOS Vol. 03.02 Committee G01
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Significance and Use

3.1 This practice is applicable to ferrous and nonferrous metals; also organic and inorganic coatings. The variations described herein are useful when a different or more corrosive environment than the salt fog described in Practice B117 is desired.


1.1 This practice covers and sets forth conditions for five modifications in salt spray (fog) testing for specification purposes. These are in chronological order of their development:

1.1.1 Annex A1,  acetic acid-salt spray test, continuous.

1.1.2 Annex A2,  cyclic acidified salt spray test.

1.1.3 Annex A3,  seawater acidified test, cyclic (SWAAT).

1.1.4 Annex A4,  SO2 salt spray test, cyclic.

1.1.5 Annex A5,  dilute electrolyte cyclic fog dry test.

1.2 This practice does not prescribe the type of modification, test specimen or exposure periods to be used for a specific product, nor the interpretation to be given to the results.

1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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Book of Standards Volume: 03.02
Developed by Subcommittee: G01.05
Pages: 14
DOI: 10.1520/G0085-19
ICS Code: 77.060