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Description of ASTM-D5590 2010ASTM D5590 - 00(2010)e1Standard Test Method for Determining the Resistance of Paint Films and Related Coatings to Fungal Defacement by Accelerated Four-Week Agar Plate AssayActive Standard ASTM D5590 | Developed by Subcommittee: D01.28 Book of Standards Volume: 06.01 ASTM D5590Significance and Use 4.1 Defacement of paint and coating films by fungal growth (mold, mildew) is a common phenomenon, and defacement by algal growth can also occur under certain conditions. It is generally known that differences in the environment, lighting, temperature, humidity, substrate pH, 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.
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 (that is, Practice D3456 ) since many other factors, only a few of which are listed will
affect those results.
Note 2 Several companies have reported reasonable correlation of results from this test with actual use when
testing film-forming, pigmented coatings. Round-robin testing of this test method versus exterior exposure is planned.
4.2 Familiarity with microbiological techniques is required. This test method should not be used by persons without at least basic microbiological training. 1. Scope 1.1 This test method covers an accelerated method for determining the relative resistance of two or more paints or coating films to fungal growth. 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.
ASTM Standards D822 Practice for Filtered Open-Flame Carbon-Arc Exposures of Paint and Related Coatings D3273 Test Method for Resistance to Growth of Mold on the Surface of Interior Coatings in an Environmental Chamber D3456 Practice for Determining by Exterior Exposure Tests the Susceptibility of Paint Films to Microbiological Attack D4141 Practice for Conducting Black Box and Solar Concentrating Exposures of Coatings D4587 Practice for Fluorescent UV-Condensation Exposures of Paint and Related Coatings D5031 Practice for Enclosed Carbon-Arc Exposure Tests of Paint and Related Coatings G21 Practice for Determining Resistance of Synthetic Polymeric Materials to Fungi Keywords agar plate assay; fungal resistance; fungi; mildew; mold; ICS Code ICS Number Code 87.040 (Paints and varnishes) DOI: 10.1520/D5590-00R10E01 ASTM International is a member of CrossRef. ASTM D5590This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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