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【英文标准名称】:Plastics-Polypropyleneandpropylene-copolymers-Determinationofthermaloxidativestabilityinair-Ovenmethod
【原文标准名称】:塑料.聚丙烯和丙烯共聚物.空气中热氧化稳定性的测定.烘箱法
【标准号】:BSENISO4577-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-09-15
【实施或试行日期】:1999-09-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:高温试验;老化试验;氧化法;热稳定性;聚丙烯;炉;抗氧化;烘箱老化;塑料;稳定性;试验
【英文主题词】:Ageing(materials);Ageingtests;Definition;Definitions;Embrittlement;Furnaces;High-temperaturetesting;Mouldings(shapedsection);Ovenageing;Oxidationmethods;Oxidationresistance;Plastics;Polypropylene;Production;Racks;Shape;Stability;Testspecimens;Testing;Thermalstability
【摘要】:ThisInternationalStandardspecifiesamethodforthedeter-minationoftheresistanceofmouldedtestspecimensofpolypropyleneandpropylene-copolymerstoacceleratedageingbyheatinthepresenceofairusingaforceddraughtoven.Themethodrepresentsanattempttoestimatetheservicelifeofpartsfabricatedfrompropyleneplastics.Thestabilitydeterminedbythismethodisnotdirectlyrelatedtothesuitabilityofthematerialforusewhendifferenten-vironmentalconditionsprevail.NOTE—Thespecifiedthermallevelsareconsideredsufficientlyseveretocausefailureofcommercialgradesofheat-stablepropyleneplasticswithinareasonableperiodoftime.Ifdesired,lowertemperaturescanbeappliedtoestimatetheperformanceofpropyleneplasticswithlowerheatstabilities.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:12P.;A4
【正文语种】:英语