ASTM_D_3468_-_D_3468M_-_99_2020.pdf

Designation:D3468/D3468M99(Reapproved 2020)Standard Specification forLiquid-Applied Neoprene and ChlorosulfonatedPolyethylene Used in Roofing and Waterproofing1This standard is issued under the fixed designation D3468/D3468M;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 neoprene andchlorosulfonated polyethylene synthetic rubber solutions suit-able for use in roofing and waterproofing.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 precautionary 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.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:2D412 Test Methods for Vulcanized Rubber and Thermoplas-tic ElastomersTensionD429 Test Methods for Rubber PropertyAdhesion toRigid SubstratesD471 Test Method for Rubber PropertyEffect of LiquidsD711 Test Method for No-Pick-Up Time of Traffic PaintD823 Practices for Producing Films of Uniform Thicknessof Paint,Coatings and Related Products on Test PanelsD1149 Test Methods for Rubber DeteriorationCracking inan Ozone Controlled EnvironmentD1640/D1640M Test Methods for Drying,Curing,or FilmFormation of Organic CoatingsD1644 Test Methods for Nonvolatile Content of VarnishesD1824 Test Method for Apparent Viscosity of Plastisols andOrganosols at Low Shear RatesE96/E96M Test Methods for Water Vapor Transmission ofMaterials2.2 Department of Commerce Voluntary Product Standard:3PS-1 Construction and Industrial Plywood3.Classification3.1 Type INeoprene synthetic rubber solutions for usealone or in combination with chlorosulfonated polyethylenesynthetic rubber solutions:3.1.1 Grade 1Neoprene rubber solution.3.1.2 Grade 2Fiber-modified neoprene rubber solution.3.2 Type IIChlorosulfonated polyethylene synthetic rub-ber solutions.4.Materials and Manufacture4.1 The designated polymer shall comprise 100%of theelastomer and a minimum of 60%of the nonvolatile content.4.2 The designated polymer shall be homogeneously com-pounded with pigments,extenders,stabilizers,antidegradants,and curatives.The product shall be free from graininess,gelparticles,and foreign materials.5.Physical Requirements5.1 The material shall conform to the physical propertiesprescribed in Table 1.6.Sampling6.1 The sample shall be a 1-L 1-qt aliquot consisting of acomposite taken,when possible,from three or more separate1This 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 May 1,2020.Published May 2020.Originallyapproved in 1975.Last previous edition approved in 2013 as D3468/D3468M 99(2013).DOI:10.1520/D3468_D3468M-99R20.2For 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.3Available from the Superintendent of Documents,U.S.Government PrintingOffice,Washington,DC 20402.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.containers chosen at random.Samples shall also be taken fromany other containers that appear to be nonrepresentative andshall be tested separately.Before a sample is withdrawn,thecontents in the container shall be mixed to uniform consis-tency.The sample shall be placed immediately in an airtightglass jar or metal can until tested.7.Retest and Rejection7.1 If the results of any test do not conform to the require-ments of this specifica