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Standard Test Method for Weight Loss After Heat Aging of Preformed Tape Sealants
Přeložit název
NORMA vydána dne 1.5.2019
Označení normy: ASTM C771-14(2019)
Datum vydání normy: 1.5.2019
Kód zboží: NS-948454
Počet stran: 2
Přibližná hmotnost: 6 g (0.01 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
preformed tape sealants, tapes, tape sealants, weight loss, weight loss after heat aging ,, ICS Number Code 91.100.50 (Binders. Sealing materials)
Significance and Use | ||||||
5.1 Preformed tape sealants are tacky, deformable solids that are used under compression between two substrates in a variety of sealing applications. Compared to other types of sealants, that is, gunnable sealants and caulks, sealing tapes are designed to be essentially 100 % solids materials. In use, these tapes are intended to give long service with minimal weight loss or volatility. This procedure will give a measure of the weight loss of a preformed tape sealant after a controlled period of exposure at an elevated temperature. |
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1. Scope | ||||||
1.1 This test method covers a laboratory procedure for determining the weight loss after heat aging of preformed tape sealants. Note 1: Test Method C681
describes a weight loss or volatility test for knife-grade glazing
compounds.
1.2 The values stated in acceptable metric units are to be regarded as the standard. The values given in parentheses are for information only. 1.3 The subcommittee with jurisdiction is not aware of any similar ISO 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. |
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2. Referenced Documents | ||||||
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