ASTM_D_5893_-_D_5893M_-_16_2021.pdf

Designation:D5893/D5893M16(Reapproved 2021)Standard Specification forCold-Applied,Single-Component,Chemically CuringSilicone Joint Sealant for Portland Cement ConcretePavements1This standard is issued under the fixed designation D5893/D5893M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 Thisspecificationcoverscold-applied,single-component,chemically curing silicone sealants that are basedon polymers of polysiloxane structures and are intended for usein sealing joints and cracks in portland cement concretehighway and airfield pavements.The specification includesboth non-sag and self-leveling types of sealants.1.1.1 This specification does not purport to cover theproperties required of sealants for use in areas of portlandcement concrete pavements subject to jet fuel or other fuelspillage,such as vehicle or aircraft refueling and maintenanceareas,or a combination thereof.1.2 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in nonconformancewith the standard.1.3 The following safety hazards caveat pertains only to thetest methods portion,Section 9,of this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety,health,andenvironmental practices and determine the applicability ofregulatory limitations prior to use.Specific precautionarystatements are given in Appendix X1.1.4 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:2C639 Test Method for Rheological(Flow)Properties ofElastomeric SealantsC661 Test Method for Indentation Hardness of Elastomeric-Type Sealants by Means of a DurometerC679 Test Method for Tack-Free Time of Elastomeric Seal-antsC792 Test Method for Effects of HeatAging on Weight Loss,Cracking,and Chalking of Elastomeric SealantsC793 Test Method for Effects of Laboratory AcceleratedWeathering on Elastomeric Joint SealantsC1183/C1183M Test Method for Extrusion Rate of Elasto-meric SealantsD412 Test Methods for Vulcanized Rubber and Thermoplas-tic ElastomersTensionD618 Practice for Conditioning Plastics for TestingD1985 Practice for Preparing Concrete Blocks for TestingSealants,for Joints and CracksD2202 Test Method for Slump of SealantsD5249 Specification for Backer Material for Use with Cold-and Hot-Applied Joint Sealants in Portland Cement Con-crete and Asphalt JointsD5329 Test Methods for Sealants and Fillers,Hot-Applied,for Joints and Cracks in Asphalt Pavements and PortlandCement Concrete PavementsD5535 Terminology Relating to Formed-in-Place Sealantsfor Joints and Cracks in Pavements(Withdrawn 2009)33.Terminology3.1 DefinitionsRefer to Terminology D5535 for defini-tions of the following terms used in this specification:backermaterial,chemically curing sealant,joint,and sealant.1This specification is under the jurisdiction of ASTM Committee D04 on Roadand Paving Materials and is the direct responsibility of Subcommittee D04.33 onFormed In-Place Sealants for Joints and Cracks in Pavements.Current edition approved May 1,2021.Published May 2021.Originallyapproved in 1996.Last previous edition approved in 2016 as D5893/D5893M 16.DOI:10.1520/D5893_D5893M-16R21.2For 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.3The last approved version of this historical standard is referenced onwww.astm.org.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.14.Classification4.1 Sealants meeting the requirements of this specificationshall be classified according to type as one of the following:4.1.1 Type NS(Non-Sag)A single-component sealant thatresists sagging after application in horizontal joints and re-quires tooling or forming into the joint to achieve th