~-~=90092ïb002b03b5b24SlbAMERICANSOCIETYFORTESTINGANDMATERIALS1916RaceSt.,Philadelphia,Pa.19103ReprintedfromtheAnnualBookofASTMStandards,CopyrightASTMIfnotlistedinthecurrentcombinedindex,willappearinthenextedition.StandardSpecificationforSOLVENTCEMENTSFORCELLULOSEACETATEBUTYRATE(CAB)PLASTICPIPE,TUBING,ANDFITTINGS'ThisstandardisissuedunderthefixeddesignationD2560;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapprovai.1.scope1.1Thisspecificationprovidesthegeneralrequirementsforcelluloseacetatebutyrate(CAB)solventcementstobeusedinjoiningcelluloseacetatebutyratepipe,tubing,andfit-1.2ThesesolventcementsaresuggestedforusewithCABpipeortubing,andfittingspro-ducedfromGradeMHinSpecificationD707,andforaGradeSnotspecificallycoveredbySpecificationD707.Forthepurposesofthisspecification,GradeSofCABshalimeettherequirementsofGradesMS,exceptflowtem-perature,whichshalibe135*5°C(275f9°F).ThisdoesnotexcludethepossibilityofusingthesesolventcementsforothergradesandformulationsofCABpipeandtubingcom-pounds.1.3ArecommendedprocedureforjoiningCABpipe,tubing,andfittingswiththesesol-ventcementsisgiveninAppendixXl.1.4Thevaluesgiveninparenthesesareforinformationpurposesonly.2.ApplicableDocuments2.1ASTMStandards:D618ConditioningPlasticsandElectricalD638TestforTensilePropertiesofPlastics2D707SpecificationforCelluloseAcetateBu-tyrateMoldingandExtrusionCom-pounds3tings.InsulatingMaterialsforTesting'D1084TestsforViscosityofAdhesives4F402PracticeforSafeHandlingofSolventCementsandPrimersUsedforJoiningThermoplasticPipeandFittings3F412DefinitionsofTermsRelatingtoPlas-ticPipingSystems33.DefuiitionsinaccordancewithDefinitionsF412.3.1Thedefinitionsinthisspecificationare4.GeneralRequirements4.1TheCABsolventcementshaiibeaso-lutionofGradeMHcelluloseacetatebutyrateplasticasspecifiedinSpecificationD707orGradeSdescribedin1.2andoneofthethin-nersdescribedin5.2.4.2ReworkCABmaterials,generatedfr...
