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ASTM C1635-22
Standard Test Method to Evaluate Adhesion/Cohesion Properties of a Sealant at Fixed Extension
Standard Test Method to Evaluate Adhesion/Cohesion Properties of a Sealant at Fixed Extension
C1635-22
ASTM|C1635-22|en-US
Standard Test Method to Evaluate Adhesion/Cohesion Properties of a Sealant at Fixed Extension
Standard
C1635 Standard Test Method to Evaluate Adhesion/Cohesion Properties of a Sealant at Fixed Extension>
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Significance and Use
5.1 In any sealant application, the sealant must be capable of maintaining an adhesive bond to the substrate when held in strain for its intended service life.
5.2 This test method is an indicator of a sealant’s ability to adhere under strain to a given substrate.
5.3 The default test strain is the movement ability (Class in accordance with Specification C920) of the sealant as designated by the manufacturer. The default joint configuration is 12.7 mm by 12.7 mm by 50.8 mm (1/2 in. by 1/2 in. by 2 in.). Other strains and joint configurations may be used and reported as noted in Section 8 and Table 1.
Scope
1.1 This test method describes a laboratory procedure for measuring the adhesion/cohesion properties of a sealant when subjected to tensile loads resulting from an applied specified strain. The adhesion/cohesion properties are evaluated before, during, and after water immersion.
1.2 This test method examines the adhesive and cohesive performance of a sealant on a specified substrate at a strain equivalent to a multiple of the strain/movement capability (Class in accordance with Specification C920) designated by the manufacturer for the given sealant in accordance with Specification C920.
1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.
1.4 Comparable Tests—Other comparable tests are ISO 10590 and 8340.
1.5 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.
1.6 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.