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ASTM D5589-09

Historical Revision

Standard Test Method for Determining the Resistance of Paint Films and Related Coatings to Algal Defacement

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1.1 This test method covers an accelerated method for determining the relative resistance of a paint or coating film to algal growth.

Note 1—It is hoped that a ranking of relative performance would be similar to that ranked from outdoor exposures. However, this test method should not be used as a replacement for exterior exposure since many other factors, only a few of which are listed will affect those results.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 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.

Defacement of paint and coating films by algal growth is a common phenomenon under certain conditions. It is generally known that differences in the environment, lighting, temperature, substrate, and other factors in addition to the coating composition affect the susceptibility of a given painted surface. This test method attempts to provide a means to comparatively evaluate different coating formulations for their relative performance under a given set of conditions. It does not imply that a coating that resists growth under these conditions will necessarily resist growth in the actual application (see Note 1).

Familiarity with microbiological techniques is required. This test method should not be used by persons without at least basic microbiological training.

SDO ASTM: ASTM International
Document Number D5589
Publication Date July 1, 2009
Language en - English
Page Count 4
Revision Level 09
Supercedes
Committee D01.28
Publish Date Document Id Type View
Dec. 1, 2019 D5589-19 Revision
July 1, 2009 D5589-09 Revision
July 10, 1997 D5589-97 Revision
Oct. 1, 2013 D5589-09R13 Reaffirmation
July 10, 1997 D5589-97R02 Reaffirmation