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【英文标准名称】:StandardTestMethodsforEvaluatingCompatibilityBetweenCableFillingandFloodingCompoundsAndPolyolefinWireandCableMaterials
【原文标准名称】:评价电缆填充物、溢流元件、聚烯烃线和电缆材料间相容性的标准试验方法
【标准号】:ASTMD4568-1999(2004)e1
【标准状态】:现行
【国别】:
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D09.18
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:化合物;聚烯烃;可比性;填充料;电气试验;兼容性;绝缘;电缆;评定;塑料;电绝缘;试验;电气工程
【英文主题词】:compatibility;fillingcompound;floodingcompound;polyolefincoatedmetals;polyolefininsulation;polyolefinjacket
【摘要】:Cablefillingandfloodingcompoundsarenormallysemi-solidatroomtemperatureandfluidinvaryingdegreesatelevatedtemperatures.Theyarenormallyappliedinaliquidstateandatanelevatedtemperatureduringwireandcablemanufacturing.Thecompletedfinishedwireorcableisexposedtovariousambientconditionsduringitsusefullife.Ifnotcarefullyselected,componentsoffillingorfloodingcompoundshavethepotentialtodegradethematerialstheycontact,shorttermorlongterm.Thefollowingmethodsareintendedtominimizethechancesofsuchproblemsoccurring.Someoftheeffectsthatmightoccurinclude,butarenotlimitedto:4.2.1Delaminationofcoatedmetalshieldsorscreensincompletedwireandcable.Delaminationisprimarilyafunctionofthetesttemperatureandthetypeoflaminantused,sotestresultsareunlikelytovarysignificantlybetweenfillingorfloodingcompoundsofacommonfamily(forexample,petroleumbasedfillingorfloodingcompounds).4.2.2Degradationofphysicalpropertiesofinsulation,jackets,corecoverings,etc.Likelymanifestationsofdegradationofplasticmaterialincludeembrittlementofsomematerialsandexcessivesofteningofothermaterials.Sincethemagnitudeofanygiveneffectwillvary,sometestprocedureswillbemorecriticalthanothers.Itisnot,therefore,intendedthateverylistedprocedurebeperformedwitheverycompatibilitystudy.Performprocedurestotheextentrequiredbyproductspecificationsorasagreeduponbetweentheproducerandthepurchaser.1.1Thesetestmethodsevaluatethecompatibilitybetweencablefillingorcablefloodingcompounds,orboth,andpolyolefinmaterialsusedinthemanufactureofwireandcablethatareusuallyinintimatecontactwiththefillerorfloodant,orboth.1.2Thesetestmethodsareusefultoensurecompatibilityandtoverifythatnewformulationsoffillingorfloodingcompoundswillhavenodeleteriouseffectupontheotherpolyolefinmaterialsbeingusedor,conversely,usethesemethodstoensurethatotherpolyolefinwireandcablematerialsareevaluatedforpossibleusenotdegradedbycontactwithfillersorfloodantsalreadyinuse.1.3Whenevertwosetsofvaluesarepresented,indifferentunits,thevaluesinthefirstsetarethestandard,whilethoseinparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4Thistestmethodisspecificallyforpolyolefincoatingsonaluminumandsteelshieldingandarmoringmaterialusedintelecommunicationswireandcables.1.5Thistestmethodisspecificallyforpolyolefininsulatingmaterialsusedintelecommunicationswiresandcables.1.6Thistestmethodisspecificallyforpolyolefinjacketingmaterialsusedintelecommunicationswiresandcables.
【中国标准分类号】:K13
【国际标准分类号】:29_035_20
【页数】:5P.;A4
【正文语种】:


Product Code:SAE AMS7260
Title:Rings, Butadiene-Acrylonitrile (Nbr) Rubber, Molded Fuel and Low Temperature Resistant 70-80
Issuing Committee:Ams Ce Elastomers Committee
Scope:This specification covers a fuel and low-temperature resistant butadiene- acrylonitrile (NBR) rubber in the form of molded rings.