1、Designation:D406817An 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 oforiginal adoption or
2、,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.Scope*1.1 This specification covers flexible chlorinated polyethyl-ene(CPE)sheeting which is us
3、ed 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 safe pans,tile tu
4、bs,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 product.Recycled mater
5、ials 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 thatsimulate the
6、 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 values given in
7、 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 specification:Thisstand
8、ard 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 and healthpractices and determine the applicability of regulatory limita-tions prior to use.2.Referenced Documents2.1 ASTM St
9、andards: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 Terminology Relating to PlasticsD1004 Test Meth
10、od 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 ElevatedTemperatureD1876 Test Method for Peel Resistance of Adhe
11、sives(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 Dimensions of SolidPlastics SpecimensD6988 Guide for De
12、termination of Thickness of Plastic FilmTest SpecimensD7209 Guide for Waste Reduction,Resource Recovery,andUse of Recycled Polymeric Materials and Products(With-drawn 2015)3E96/E96M Test Methods for Water Vapor Transmission ofMaterials1This specification is under the jurisdiction of ASTM Committee D
13、20 onPlastics and is the direct responsibility of Subcommittee D20.24 on Plastic BuildingProducts.Current edition approved March 1,2017.Published March 2017.Originallyapproved in 1981.Last previous edition approved in 2015 as D4068 15.DOI:10.1520/D4068-17.2For referenced ASTM standards,visit the AST
14、M 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.*A Summary of Changes sect
15、ion 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 internationally recognized principles on standardization established in the Decision on Prin
16、ciples for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 2.2 ANSI Document:Safety Code for Safety Glazing Materials for Glazing MotorVehicles Operating on Land Highways43.Terminology3.1 Definitions:3.1.1 GeneralDefinitions are in accordance with Termi-nology D883 unless otherwise indicated.3.1.2 The abbreviation for chlorinated polyethylene is CPE.3.2 Definitions of Terms Specific to This St
