ASTM_D_6083_-_D_6083M_-_21.pdf

Designation:D6083/D6083M21Standard Specification forLiquid-Applied Acrylic Coating Used in Roofing1This standard is issued under the fixed designation D6083/D6083M;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 This specification covers liquid-applied water-dispersedacrylic latex elastomeric protective roof coatings.1.2 This specification does not provide guidance for appli-cation.1.3 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.1.4 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,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.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:2D16 Terminology for Paint,Related Coatings,Materials,andApplicationsD471 Test Method for Rubber PropertyEffect of LiquidsD522/D522M Test Methods for Mandrel Bend Test of At-tached Organic CoatingsD624 Test Method for Tear Strength of Conventional Vul-canized Rubber and Thermoplastic ElastomersD903 Test Method for Peel or Stripping Strength of Adhe-sive BondsD1079 Terminology Relating to Roofing and WaterproofingD1644 Test Methods for Nonvolatile Content of VarnishesD1653 Test Methods for Water Vapor Transmission of Or-ganic Coating FilmsD2196 Test Methods for Rheological Properties of Non-Newtonian Materials by Rotational ViscometerD2370 Test Method for Tensile Properties of Organic Coat-ingsD2697 Test Method for Volume Nonvolatile Matter in Clearor Pigmented CoatingsD4798/D4798M Practice for Accelerated Weathering TestConditions and Procedures for Bituminous Materials(Xenon-Arc Method)G21 Practice for Determining Resistance of Synthetic Poly-meric Materials to Fungi3.Terminology3.1 For definitions of terms used in this specification,seeTerminologies D16 and D1079.4.Classification4.1 Type I and Type II are defined by the liquid physicalproperties in Table 1 and cured film physical properties inTable 2.5.Materials and Manufacture5.1 CompositionThe product,as manufactured,shall be inliquid form for application to the roof surface by brushing,squeegeeing,rolling,or spraying.The product shall be com-posed of a water-based acrylic latex elastomeric emulsionpolymer,to which various pigments and other additives havebeen added to give the required physical properties.6.Liquid and Cured Film Physical Properties6.1 Although the product is supplied as a liquid,its perfor-mance is based on the functional properties of the curedmaterial in film form.The coating is formed into a film adheredto the substrate.6.2 Liquid Physical Property RequirementsThe liquidcoating shall comply with the property requirements in Table 1.6.3 Cured Film Physical Property RequirementsThecured film shall comply with the requirements listed in Table 2.1This specification is under the jurisdiction of ASTM Committee D08 onRoofing and Waterproofing and is the direct responsibility of Subcommittee D08.09on Bituminous Emulsions.Current edition approved Feb.15,2021.Published February 2021.Originallyapproved in 1997.Last previous edition approved in 2018 as D6083/D6083M 18.DOI:10.1520/D6083_D6083M-21.2For 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.17.Test Methods7.1 Specimen PreparationPrepare coating films by apply-ing two coats,with a minimum of 4 h drying period betweencoats,to a suitable release surface so film will not tear uponremoval(see Test Method D2370)to give a total dry milthickness of 0.50 6 0.05 mm 0.02 6 0.002 in.The film isallowed to thoroughly cure at 23 6 2 C 7