ISO 3386-2-1997 软质泡沫聚合材料压缩应力应变特性的测定第2部分:高密度材料

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【英文标准名称】:Flexiblecellularpolymericmaterials-Determinationofstress-straincharacteristicsincompression-Part2:High-densitymaterials
【原文标准名称】:软质泡沫聚合材料压缩应力应变特性的测定第2部分:高密度材料
【标准号】:ISO3386-2-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-06
【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】:定义;泡沫橡胶;压缩试验;橡胶;高聚物;压缩应力;试验;试验;测定
【英文主题词】:Compressiontesting;Compressivestress;Definitions;Density;Determination;Foamedrubber;Materialstesting;Methods;Plastics;Polymers;Properties;Rubber;Strain;Testing
【摘要】:ThispartofISO3386specifiesamethodforthedeterminationofthecompressionstress-straincharacteristicsofflexiblecellularpolymericmaterialsofdensitygreaterthan250kg/m.Thecompressionstress-straincharacteristicisameasureoftheload-bearingpropertiesofthematerial,thoughnotnecessarilyofitscapacitytosustainalong-termload.Thecompressionstress-straincharacteristicdiffersfromtheindentationhardnesscharacteristics(asdeterminedinaccordancewithISO2439)whichareknowntobeinfluencedbythethicknessandthetensilepropertiesoftheflexiblecellularmaterialundertest,theshapeofthecompressionpiate,andtheshapeandsizeofthetestpiece.ISO3386-1specifiesamethodforlow-densityflexiblematerials,anddiffersfromPart2inthefollowingways:-Part1isconcernedwithmaterialsofdensityupto250kg/m,whilstPart2ismainlyconcernedwithmaterialsofdensityabove250kg/m;-compressionstressvalueshavebeendeletedfromPart2;-Part2doesnotallowtheuseofacylindricaltestpiece.ThispartofISO3386isageneralmethodfortestingdenserflexiblecellularmaterials(i.e.expandedcellularrubbers),measurementsbeingmadeononeofmorepointsonthesteeplyrisingpartofthestress-straincurve.Theshapefactorofthetestpieceisimportantandcomparativetestresultscanonlybeobtainedontestpieceshavingthesameshapefactor.NOTE1Forcomparisonpurposes,themethodmaybeusedformaterialof150kg/mdensityorgreater.
【中国标准分类号】:G30
【国际标准分类号】:83_100
【页数】:5P;A4
【正文语种】:英语