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ASTM C719-22

Current Revision

Standard Test Method for Adhesion and Cohesion of Elastomeric Joint Sealants Under Cyclic Movement (Hockman Cycle)

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1.1 This test method is an accelerated laboratory procedure for evaluating the performance of a building sealant in a test configuration that is subjected to water immersion, cyclic movement, and temperature change.3

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 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.


5.1 The failure of a building sealant in an active joint is usually manifested by cohesive failure in the sealant or adhesive failure between the sealant and the substrate, or both. The method described in this test method relates only to the performance of the sealant when properly installed with recommended primers, and does not evaluate sealant failures caused by improper joint design, excessive joint movement, improper application practices, and other factors known to cause sealant failure in buildings and building areas.

SDO ASTM: ASTM International
Document Number C719
Publication Date Feb. 1, 2022
Language en - English
Page Count 8
Revision Level 22
Supercedes
Committee C24.30
Publish Date Document Id Type View
Feb. 1, 2022 C0719-22 Revision
July 15, 2014 C0719-14 Revision
June 15, 2013 C0719-13 Revision
Jan. 1, 2019 C0719-14R19 Reaffirmation
June 15, 2010 C0719-93R10 Reaffirmation
Feb. 1, 2005 C0719-93R05 Reaffirmation
May 10, 1998 C0719-93R98 Reaffirmation