ASTM_C_1523_-_17.pdf

Designation:C152317Standard Test Method forDetermining Modulus,Tear and Adhesion Properties ofPrecured Elastomeric Joint Sealants1This standard is issued under the fixed designation C1523;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method describes a laboratory procedure formeasuring modulus,tear,joint movement ability and adhesionproperties of applied,Precured Elastomeric Joint Sealants,hereinafter referred to as“applied seal”and if not applied,hereinafter referred to as“seal,”on portland cement mortar asa standard substrate and or other substrates.It tests theseproperties after dry,wet,frozen,heat aged or artificiallyweather-aged conditionings,or both.1.2 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are provided forinformation only.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.1.4 The committee with jurisdiction over this standard is notaware of any similar standard published by another committeeor organization.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2C717 Terminology of Building Seals and SealantsC1375 Guide for Substrates Used in Testing Building Sealsand SealantsC1442 Practice for Conducting Tests on Sealants UsingArtificial Weathering ApparatusD1566 Terminology Relating to RubberG113 Terminology Relating to Natural and Artificial Weath-ering Tests of Nonmetallic MaterialsG151 Practice for Exposing Nonmetallic Materials inAccel-erated Test Devices that Use Laboratory Light SourcesG154 Practice for Operating Fluorescent Ultraviolet(UV)Lamp Apparatus for Exposure of Nonmetallic MaterialsG155 Practice for Operating Xenon Arc Light Apparatus forExposure of Non-Metallic Materials3.Terminology3.1 DefinitionsRefer to Terminology C717 for definitionsof the following terms used in this test method:adhesivefailure,cohesive failure,primer,modulus,and standard condi-tions and to Terminology D1566 for tear and to TerminologyG113 for definitions related to artificial weathering.4.Summary of Test Method4.1 Model joints are prepared,the seal is adhered to thesubstrate utilizing an adhesive sealant specified by themanufacturer,hereinafter referred to as adhesive,then exposedto a variety of conditionings such as heat,cold,artificialweathering or water immersion.Aspecific set of specimens cango through each conditioning or separate specimens can beused for each conditioning.After exposure the test specimensare subjected to an elongation(strain)and held at this elonga-tion for as long as is desired.The elongation(joint expansion)is performed with a tensometer to obtain tensile-forces duringthe pull.One aspect of the test has the applied seal cut in themiddle of the joint and then elongated and the degree of tearpropagation noted.After the initial strain the samples can besubjected to cycles of repeated strain.The samples can also betested to destruction.The movement test and tear test can bedone on separate sets of test specimens or done sequentiallywith the same test specimen.5.Significance and Use5.1 Seals are manufactured in flat extruded shapes and areprimarily used to span joint openings.The seal is adhered toconstruction substrates utilizing a liquid applied adhesive,to1This test method is under the jurisdiction ofASTM Committee C24 on BuildingSeals and Sealants and is the direct responsibility of Subcommittee C24.30 onAdhesion.Current edition approved June 1,2017.Published June 2017.Originallyapproved in 2002.Last previous approved in 2010 as C152310.DOI:10.1520/C1523-17.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 seal building openings such as panel j