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Last Updated: Jul 04, 2025
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ASTM C1756-17a(2025)e1
Standard Guide for Comparing Seal or Sealant Behavior to Reference Photographs
Standard Guide for Comparing Seal or Sealant Behavior to Reference Photographs
C1756-17AR25E01
ASTM|C1756-17AR25E01|en-US
Standard Guide for Comparing Seal or Sealant Behavior to Reference Photographs
Standard
C1756 Standard Guide for Comparing Seal or Sealant Behavior to Reference Photographs>
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BOS Vol. 04.07 Committee C24
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Significance and Use
4.1 This guide is intended to be used in evaluating sealant conditions that occur in service, along with other diagnostic techniques in failure analysis. These standard reference photographs have been selected and approved through ASTM's consensus balloting process to illustrate terms defined by Committee C24.
4.2 Not all of the terms illustrated here are failures, and there are other failure mechanisms that affect sealants that are not discussed in this guide. This guide is intended to be one of a number of sources of information used in the evaluation of sealant behavior.
Scope
1.1 This guide provides photographs that illustrate seal and sealant behavior consistent with the scope and areas of interest of Committee C24.
1.2 When available, photographs that better illustrate these terms, or that illustrate additional terms defined by Committee C24, will be included in future editions of this standard. Photographs for consideration may be submitted to the committee using the form in Appendix X1.
1.3 The committee with jurisdiction over this standard is not aware of any comparable standards published by other organizations.
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.