【英文标准名称】:StandardTestMethodforRubber-DeteriorationbyHeatinginAir(TestTubeEnclosure)
【原文标准名称】:橡胶的空气中加热变质的标准试验方法(试管封闭法)
【标准号】:ASTMD865-1999(2005)
【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】:D11.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:变坏;合成橡胶;试验;炭黑;橡胶;天然橡胶
【英文主题词】:acceleratedaging;elevatedtemperature;heataging;oxidativeaging;rubberarticles;rubberproducts;thermalaging
【摘要】:Rubberandrubberproductsmustresistthedeteriorationofphysicalpropertieswithtimecausedbyoxidativeandthermalaging.Withthistestmethod,thesecharacteristicsmaybedeterminedinawaythatisfreeofsomeofthecomplicationsinherentincommunity-typeagingdevices,thatiswherenumerouscompounds(specimens)areagedinthesameenclosure.Theisolationofcompound(specimens)bytheuseofindividualcirculatingairtesttubeenclosurespreventsanycrosscontaminationfromvolatileproductsandpermitsamorerepresentativeassessmentofagingperformance.PleaserefertotheAnnexinTestMethodD573forimportantinformationonstandardcompoundsusedforprecisiontestingforacceleratedtestagingevaluation.1.1Thistestmethoddescribesaproceduretodeterminethedeteriorationinducedbyheatingrubberspecimensinindividualtesttubeenclosureswithcirculatingair.Thisisolationpreventscrosscontaminationofcompoundsduetolossofvolatilematerials(forexample,antioxidants)andtheirsubsequentmigrationintootherrubbercompounds(specimens).Theabsorptionofsuchvolatilematerialsmayinfluencethedegradationrateofrubbercompounds.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G34
【国际标准分类号】:83_060
【页数】:4P.;A4
【正文语种】: