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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.
1.1 This test method covers a laboratory procedure for determining the weight loss after heat aging of preformed tape sealants.
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 and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C681 Test Method for Volatility of Oil- and Resin-Based, Knife-Grade, Channel Glazing Compounds
C717 Terminology of Building Seals and Sealants
E145 Specification for Gravity-Convection and Forced-Ventilation Ovens
ICS Number Code 91.100.50 (Binders. Sealing materials)
UNSPSC Code 31201600(Other adhesives and sealants)
ASTM C771-14, Standard Test Method for Weight Loss After Heat Aging of Preformed Tape Sealants, ASTM International, West Conshohocken, PA, 2014, www.astm.orgBack to Top