作者:标准资料网 时间:2024-05-19 15:23:19   浏览:8800   来源:标准资料网

【英文标准名称】:Rubber,raw-Determinationofvolatile-mattercontent
【原文标准名称】:生橡胶.挥发物含量的测定
【标准号】:ISO248-2005
【标准状态】:作废
【国别】:国际
【发布日期】:2005-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC45
【标准类型】:()
【标准水平】:()
【中文主题词】:挥发物质;物质;元部件;橡胶;潮气;挥发性的;挥发物测定;含量测定;特性;硫化橡胶
【英文主题词】:Components;Determinationofcontent;Moisture;Properties;Rubber;Substances;Volatile;Volatilematter;Volatilematterdetermination;Vulcanizedrubber
【摘要】:ThisInternationalStandardspecifiestwomethods,ahot-millmethodandanovenmethod,forthedeterminationofmoistureandothervolatile-mattercontentinrawrubbers.Thesemethodsareapplicabletothedeterminationofthevolatile-mattercontentintheR-groupofrubberslistedinISO1629whicharerubbershavinganunsaturatedcarbonchain,forexample,naturalrubberandsyntheticrubbersderivedatleastpartlyfromdiolefins.ThisInternationalStandardmayalsobeapplicabletootherrubbers,butinthesecasesitisnecessarytoprovethatthechangeinmassisduesolelytolossoforiginalvolatilematterandnottorubberdegradation.Thehot-millmethodisnotapplicabletonaturalandsyntheticisoprenerubbersortorubberstoodifficulttohandleonahotmillortorubbersinpowderedorchipform.Thetwotestmethodsdonotnecessarilygiveidenticalresults.Therefore,inthecaseofdisputetheovenmethodAisthereferencemethod.
【中国标准分类号】:G34
【国际标准分类号】:83_040_10
【页数】:9P;A4
【正文语种】:英语