ASTM_D_752_-_73_1978_scan.pdf

41De.lgnatlon:D752-73(Reapproved 1978)An American Ntltional StandardStandard SpecificationforHEAVY-DUTY BLACK POLYCHLOROPRENEJACKETFORWIRE ANDCABLE1This standardisissued under thefIXeddesignation0752;the number immediately following tbe designation indicates theyearoforiginal adoption or,in thecaseofrevision,the yearoflast revision.Anumber in parentheses indicates the year oflsstreapprovaI.1.ScopeJ.IThis specification covers a durable vul-canizedblackpolychloroprenecompoundsuitable for use as the outside coveringorjacket on insulated electrical wires and cablesfor heavy-duty service.Theacceptabilityofthe jacketcompound.underthis specification.shall be determined solelybythe test require-ments specified herein.J.2 This jackctcompoundisnot recom-mended for installationoruseinservice at atemperature lower than-25cC.2.Applicable Document2.1ASTMStandard:D470TestingThermosettingInsulated and241jacketedWire and Cable23.Physical Requirements3.1Thevulcanized jacket shall conform totherequirementsfor physicalpropertiesspec-ifiedinTableI.4.Test Methods4.1 Test thejacketinaccordancewithMethodsD470.IThis specificationisunder the jurisdictionofASTMCommittee0-9on Electrical Insulating Materials andisthe direct responsibility of SubcommitteeD09.18on Elas-tomeric Insulation on Cables.Current edition approvedMay22.1973.PublishedJune 1973.Originally published asD752-43 T.Lastprevious editionD752-62(1968).Annual BookofASTMStandards.Part40.NOTICE:This standard has either been superseded and replaced by a new version or discontinued.Contact ASTM International(www.astm.org)for the latest information.41D752TABLEIP1ay.lul Test Requlre.eat.r.HeaYDutyBlllCkPoIycldoropreae JllCkerPbysi1RequiremenlS.Tensile strength.min.psi(MPa)Tensile stressat200%elongation.min.psi(MPa)Elongation at rupture.min.%Set in 2-in.(50-mm)gage length,max,%Aging RequiremenlS:After Air Oven Test at 1001C for168b:Tensile strength.min,%ofunagedvalueElongationatrupture.min,%ofunaged valueAfter oil immersion testat1211C for18h:Tensile strength.min,%ofunagedvalueElongation at rupture.min.%ofunagedvalue1800(12.4)500(3.4)30020soso6060.Thevalues specified areappJibleonly tojackelS hav-ing a nominaJwallthicknessof30mils(0.76 mm)orgreater.ThAmuicanSocietyforTesting tmd Materillis takes no(!osition respecting the validityofany patent rights assertedinconnectionwithany itma mentionedinthis standard.Users0lthisstandard are expressly advised that determinationofthvalidityofany such patent rights,and the riskofinfringementofsuch rights.isentirely their ownrsponsjbility.This standardissubjcttorvisionat anytimby thersponsibletechnical committee and must be reviewedeveryfiveyarsandifnotrevisd.ithrrapprovdorwithdrawn.Your comments are invited either forrvisionofthis standardorfor additional standards and shouldbaddressedtoASTMHadquarters.Your commentswillreceive careful considerationat a meetingoftheresponsibltechnical committee.whichyoumay attend.Ifyou feel that your comments have not receiveda fair hearing you should make yourviwsknowntotheASTMCommitteeonStandards.1916Race St.Philadelphia.Po.19103.whichwillschduleafurthrhearingrgardingyou,comments.Failing satisfoction there.you may appeal10theASTMBoardofDirectors.242