Designation:D4396−22StandardSpecificationforRigidPoly(VinylChloride)(PVC)andChlorinatedPoly(VinylChloride)(CPVC)CompoundsforPlasticPipeandFittingsUsedinNonpressureApplications1ThisstandardisissuedunderthefixeddesignationD4396;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoverstheclassificationandidentifi-cationofrigidplasticcompoundsintendedforuseinmakingnonpressurepipingproductscomposedof(1)poly(vinylchlo-ride)polymer,(2)chlorinatedpoly(vinylchloride)polymer,or(3)vinylchloridecopolymers,andthenecessarycompoundingredients.Compoundingingredientsconsistoflubricants;stabilizers;non-poly(vinylchloride)resinmodifiers;colorantsorpigments,orboth;fibrousornonfibrousreinforcements;orfillers.1.2Therequirementsinthisspecificationareintendedforthequalitycontrolofcompoundsusedtomanufacturepipeorfittingsintendedfornonpressureuse.Specificpropertiesarenotdirectlyapplicabletofinishedproducts.Whenspecifiedinaproductorapplicationstandard,theseriesofclassificationpropertiesinthisstandardformabasisforamaterialspecifi-cation.SeetheapplicableASTMstandardsorrequirementsforfinishedproducts.1.3Inspecialcases,specificcompoundsforunusualpipingapplicationsthatrequireconsiderationofotherpropertiesnotcoveredinthisspecification,suchasservicetemperature,sagresistance,specialchemicalresistance,weatherresistance,bendingforces,andelectricalproperties,shallbeconsidered.1.4RigidPVC-typecompoundsforbuildingapplicationsotherthanpipingarecoveredinSpecificationD4216.1.5RigidPVCcompoundsforgeneralpurposeextrusion,molding,fitting,andpipearecoveredinSpecificationD1784.1.6Therateofburningtest,TestMethodD635,isusedinthisspecificationasatestforidentificationofcertainpropertiesofthecompound.1.7ItisacceptableforrigidPVCandCPVCrecycleplasticsmeetingtherequirementsofthisspecifi...
