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Description of ASTM-C1681 2009ASTM C1681 - 09Standard Test Method for Evaluating the Tear Resistance of a Sealant Under Constant StrainActive Standard ASTM C1681 | Developed by Subcommittee: C24.20 Book of Standards Volume: 04.07 ASTM C1681Significance and Use This test method is intended to determine if a joint that is subjected to a mechanically induced cut will resist tear propagation during normal joint movement. A sealant with a high resistance to tear propagation will typically perform better than a sealant with a low resistance to tear propagation. 1. Scope 1.1 This test method evaluates the impact of an induced tear on a sealant specimen that is dimensioned, cured according to the guidelines in Test Method C 719 and then subjected to a constant strain. It is effective in differentiating between sealants that are used in dynamic joints subject to abrasion, punctures, tears, or combination thereof. 1.2 Since this test method is for the evaluation of tear propagation, an adhesive failure to the substrates provides no usable data regarding tear propagation. This would be considered a failed test and that data would be discarded, or at least separated from the other data from specimens that did not experience an adhesive failure. 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 and health practices and determine the applicability of regulatory limitations prior to use. 1.4 The committee with jurisdiction over this standard is not aware of any comparable standards published by other organizations.
ASTM Standards C719 Test Method for Adhesion and Cohesion of Elastomeric Joint Sealants Under Cyclic Movement (Hockman Cycle) Keywords constant strain testing; fixed extension; movement induced tear; sealant; ICS Code ICS Number Code 23.040.80 (Seals for pipe and hose assemblies) DOI: 10.1520/C1681-09 ASTM International is a member of CrossRef. ASTM C1681The following editions for this book are also available...This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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