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Détails
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.
Note 2: ,ASTM weathering standards are no longer referenced in this document, but Practices D822, D4141, D4587, D5031, and D6695 are commonly used.
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 ,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.
Significance and Use:
4.1 ,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.
4.2 ,Familiarity with microbiological techniques is required. This test method should not be used by persons without at least basic microbiological training.
Informations supplémentaires
| Auteur | American Society for Testing and Materials (ASTM International) |
|---|---|
| Comité | D01.28 - Committee D01 on Paint and Related Coatings, Materials, and Applications |
| Edité par | ASTM |
| Type de document | Norme |
| Thème | ,Paints and varnishes |
| ICS | 87.040 : Peintures et vernis
|
| Nombre de pages | 3 |
| Remplace | ASTM D5589-09(2013) |
| Recueil | ASTM Volume 06.01 - Multi-User - Single-Site Online |
| Historique | ,,, |
| Mot-clé | D5589 |
