Designation:D2449−88(Reapproved2020)StandardSpecificationforRubberBalesFromNaturalSources—LimitonCoating1ThisstandardisissuedunderthefixeddesignationD2449;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversbalecoatingonbalesofnaturalrubber(thathaverubberwrappersheetsonthebales)andincludestestmethoddescription.Itspecifiesthemaximumpermissibleamountofsuchcoating.1.2Thisspecificationisnotapplicabletonaturalrubberthatispackagedwithplasticwrappers,asnobalecoatingisused.1.3Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Section5,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafety,health,andenvironmentalpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1278TestMethodsforRubberfromNaturalSources—ChemicalAnalysisD1485PracticeforRubberfromNaturalSources—SamplingandSamplePreparation3.Requirements3.1Theaverageamountofbalecoatingonthebalesinthesampleshouldnotexceed460.1g/kgofrubber.Lotsmayberejectedifthebalecoatingexceedsthisamount.NOTE1—Fourgramsperkilogramofrubberisequivalenttoamaximumof1lb/250lb-bale.4.Sampling4.1Carefullyremoveportionsatrandomfromtheoutsidewrappersheetsfromanythreesidesofthebalesoastoloseaminimumofbalecoating.Handleandstorethesampledportionssoastoloseaminimumofbalecoating.ThenumberofbalessampledfromalotshallbeinaccordancewithPracticeD1...
