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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 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 , acetic acid-salt spray test, continuous.
1.1.2 , cyclic acidified salt spray test.
1.1.3 , seawater acidified test, cyclic (SWAAT).
1.1.4 , SO2 salt spray test, cyclic.
1.1.5 , 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B117 Practice for Operating Salt Spray (Fog) Apparatus
D609 Practice for Preparation of Cold-Rolled Steel Panels for Testing Paint, Varnish, Conversion Coatings, and Related Coating Products
D1141 Practice for the Preparation of Substitute Ocean Water
D1193 Specification for Reagent Water
D1654 Test Method for Evaluation of Painted or Coated Specimens Subjected to Corrosive Environments
E70 Test Method for pH of Aqueous Solutions With the Glass Electrode
ICS Number Code 77.060 (Corrosion of metals)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM G85-19, Standard Practice for Modified Salt Spray (Fog) Testing, ASTM International, West Conshohocken, PA, 2019, www.astm.orgBack to Top