Designation:F668−17StandardSpecificationforPolyvinylChloride(PVC),PolyolefinandOtherPolymer-CoatedSteelChainLinkFenceFabric1ThisstandardisissuedunderthefixeddesignationF668;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverspolyvinylchlorideandotherconformingorganicpolymer-coatedsteelchain-linkfabric,coatedbeforeweaving.Polyvinylchloride,polyolefin,andotherorganicpolymercoatinghereinafterwillbedesignatedaspolymercoating.1.2Fabricproducedfromthreeclassesofwirecoatingsarecoveredasfollows:1.2.1ClassIconsistsofpolymercoatingsextrudedoverzinc-coated,aluminum-coated,orzinc-5%aluminum-mischmetalalloy-coated,orzinc-5%aluminum-mischmetalalloy-coatedsteelwire.1.2.2Class2aconsistsofpolymercoatingextrudedandadheredtozinc-coated,aluminum-coated,orzinc-5%aluminum-mischmetalalloy-coatedsteelwire.1.2.3Class2bconsistsofpolymercoatingfusedandadheredtozinc-coated,aluminum-coated,orzinc-5%aluminum-mischmetalalloy-coatedsteelwire.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationonly.2.ReferencedDocuments2.1ASTMStandards:2A90/A90MTestMethodforWeight[Mass]ofCoatingonIronandSteelArticleswithZincorZinc-AlloyCoatingsA370TestMethodsandDefinitionsforMechanicalTestingofSteelProductsA428/A428MTestMethodforWeight[Mass]ofCoatingonAluminum-CoatedIronorSteelArticlesD1499PracticeforFilteredOpen-FlameCarbon-ArcExpo-suresofPlasticsF552TerminologyRelatingtoChainLinkFencingF934SpecificationforColorsforPolymer-CoatedChainLinkFenceMaterialsG152PracticeforOperatingOpenFlameCarbonArcLightApparatusforExposureofNonmetallicMaterialsG153PracticeforOperatingEnclosedCarbonArcLightApparatusforExposureofNonmetallicMaterialsG155PracticeforOperatingXenonArcLightApparatusforExposureofNon-MetallicMaterials2.2U.S.Fed...
