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Standard Practice for Evaluating Accelerated Efflorescence of Latex Coatings
Přeložit název
NORMA vydána dne 1.4.2019
Označení normy: ASTM D7072-04(2019)
Datum vydání normy: 1.4.2019
Kód zboží: NS-946439
Počet stran: 2
Přibližná hmotnost: 6 g (0.01 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
alkali burnout, efflorescence,, ICS Number Code 87.040 (Paints and varnishes)
Significance and Use | ||||||||
5.1 Latex paints are sometimes applied over substrates that contain a high level of water-soluble salts that results in efflorescence. This practice evaluates a coating’s vulnerability to efflorescence. |
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1. Scope | ||||||||
1.1 This practice covers the evaluation of the degree to which a latex paint resists the formation of efflorescence and alkali burnout on the exposed paint surface. 1.2 This practice is designed primarily to relate efflorescence originating in the substrate to the deposit appearing on the surface of latex paints. This practice relates chiefly to the painting of masonry-type substrates such as concrete block, brick, mortar, stucco, poured concrete, and similar materials. 1.3 The values in SI units are to be regarded as the standard. The values in parentheses are for information only. 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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2. Referenced Documents | ||||||||
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