90072760024802b52HMgnation:D2133-81abAMERICANSOCIETYFORTESTINQANDMATERIALS1916RaceSt.,Phi&&iph¡a,Pa.19103ReprintedfromtheAnnualBookofASTMStandads,CopyrightASTMIfnotlistedinth.Currentcanbinadindex,willinthemch.StandardSpecificationforACETALRESININJECTIONMOLDINGANDEXTRUSIONMATERIALS'ThisnradruduissuedundertheiueddesignationD2133;thenumberimmediatelyfoiiowingthedesignationindiatertheidopcionor,inthecaseofmiSion,theyearofktreviaion.AnumberinparenthesaindittatheyearoflastZ~$YEipc-ptcpsüon(e)indiestesanditoriaicimngcsincetheiastrevisionormpprovai.1.scope1.1Thisspecificationcoverstwotypesofacetalresinmaterialssuitableforinjectionmoldingorextrusion,orboth.2.ApplicableDocuments2.1ASTMStandards:D150TestsforA-CLossCharacteristicsandPermittivity(DielectricConstant)ofSolidElectricalInsulatingMaterials2D618ConditioningPlasticsandElectricalInsulatingMaterialsforTestingD638TestforTensilePropertiesofPlas-tia2D648TestforDeflectionTemperatureofPlasticsUnderFlexuralLoad2D792TestsforSpecificGravityandDen-sityofPlasticsbyDisplacement'D1238TestforFlowRatesofThermoplas-ticsbyExtrusionPlastomete8D1898RecommendedPracticeforSam-D3892PracticeforPackaging/PackingofPlastiCS2E11SpecificationforWire-ClothSievesforTestingPurposes3G23RecommendedPracticeforOperatingLight-andWater-ExposureApparatus(Carbon-ArcType)forExposureofNon-metallicMaterials*plingofPlasticsa3.clrpsiileationclassesaccordingtoapplicationsasfollows:3.2.1ClassA-Naturalcoloronly,con-taininganantioxidant,forgeneralpurposeuse.ApplicabletoTypesIandII.3.2.2ClassB-Black,containing.carbonblackpigment,forweather-resistantuses.ApplicableonlytoTypeI.3.2.3ClassC-Natural,containingalightstabilizer,forweather-resistantuses.Applica-bleonlytoTypeI.4.PhysicalRequirements4.1Theresinsdescribedinthisspecifica-tionshallbefreeofforeignmattertosuchacontaminationlevelasmaybeagreeduponbetweenthepurchaserandtheseller.4.2Additives:4.2.1TypesIandII,ClassAshallcontainanantioxidant.4.2.2TypeI,ClassBshallcontainacoq-centrationofuniformlydispersed,high-color...
