1、Designation:D406817(Reapproved 2022)An American National StandardStandard Specification forChlorinated Polyethylene(CPE)Sheeting for ConcealedWater-Containment Membrane1This standard is issued under the fixed designation D4068;the number immediately following the designation indicates the year ofori
2、ginal 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 specification covers flexible chlorinated polyethyl-ene(CPE)shee
3、ting which is used without mastic,bedding,orcoating for construction of concealed water-containment mem-branes in applications where there is potential for costlysecondary damage from leakage,and where very long-termreliable performance is essential.Examples are fountains,pools,planters,shower and s
4、afe pans,tile tubs,and similarinstallations where the membrane is inaccessible once con-structioniscomplete.Includedarerequirementsforcomposition,strength and toughness,test methods,workman-ship criteria,and methods of marking.1.2 Manufacturers have the option to use recycled materialsin this produc
5、t.Recycled materials must be in accordance withthe requirements in Section 4.1.3 The test methods used to characterize the sheeting areintended to ensure quality and performance and are notnecessarily adequate for design purposes.Test methods havebeen selected to be conducted primarily with liquids
6、thatsimulate the environments to which the membrane will besubjected during actual installation and use.1.4 This specification does not cover water-containmentmembranes exposed in use to ultraviolet light or direct sun-light.1.5 The values stated in inch-pound units are to be regardedas standard.The
7、 values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.NOTE1There is no known ISO equivalent to this standard.1.6 The following safety hazards caveat pertains only to thetest method portion,Section 14,of this specifi
8、cation: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.1.7 T
9、his 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
10、(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D412 Test Methods for Vulcanized Rubber and Thermoplas-tic ElastomersTensionD543 Practices for Evaluating the Resistance of Plastics toChemical ReagentsD618 Practice for Conditioning Plastics for TestingD751 Test Methods for Coated FabricsD883
11、 Terminology Relating to PlasticsD1004 Test Method for Tear Resistance(Graves Tear)ofPlastic Film and SheetingD1203 Test Methods for Volatile Loss from Plastics UsingActivated Carbon MethodsD1204 Test Method for Linear Dimensional Changes ofNonrigid Thermoplastic Sheeting or Film at ElevatedTemperat
12、ureD1876 Test Method for Peel Resistance of Adhesives(T-Peel Test)D2136 Test Method for Coated FabricsLow-TemperatureBend TestD2240 Test Method for Rubber PropertyDurometer Hard-nessD4968 Practice for Annual Review of Test Methods andSpecifications for PlasticsD5947 Test Methods for Physical Dimensi
13、ons of SolidPlastics SpecimensD6988 Guide for Determination of Thickness of Plastic FilmTest Specimens1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.24 on Plastic BuildingProducts.Current edition approved March 15,2
14、022.Published March 2022.Originallyapproved in 1981.Last previous edition approved in 2017 as D4068 17.DOI:10.1520/D4068-17R22.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,ref
15、er to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with inter
16、nationally 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.1D7209 Guide for Waste Reduction,Resource Recovery,andUse of Recycled Polymeric Materials and Products(With-drawn 2015)3E96/E96M Test Methods for Gravimetric Determination ofWater Vapor Transmission Rate of Materials2.2 ANSI Document:Safety Code for Sa