Designation:D1667−22StandardSpecificationforFlexibleCellularMaterials—Poly(VinylChloride)Foam(Closed-Cell)1ThisstandardisissuedunderthefixeddesignationD1667;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoversflexibleclosed-cellornon-interconnectingcellularproducts,theelastomercontentofwhichispredominantlypoly(vinylchloride)orcopolymersthereof.1.2Inthecaseofconflictbetweentheprovisionsofthisspecificationandthoseofdetailedspecificationsormethodsoftestforaparticularproduct,thelattershalltakeprecedence.1.3Referencetothemethodsfortestingclosed-cellpoly-(vinylchloride)containedhereinshallspecificallystatetheparticulartestortestsdesiredandnotrefertothesemethodsoftestasawhole.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.1.5Thefollowingprecautionarystatementpertainstothetestmethodportionsonlyofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafety,health,andenviron-mentalpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.NOTE1—ThereisnoknownISOequivalenttothisstandard.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D883TerminologyRelatingtoPlasticsD1056SpecificationforFlexibleCellularMaterials—SpongeorExpandedRubberE456TerminologyRelatingtoQualityandStatisticsE691PracticeforConductinga...
