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【英文标准名称】:Polymericmaterials,cellularflexible-Determinationofstress-straincharacteristicincompression-High-densitymaterials
【原文标准名称】:泡沫柔性聚合材料.压缩情况下应力变形特性的测定.高密度材料
【标准号】:BSENISO3386-2-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-06-15
【实施或试行日期】:1998-06-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:多孔材料;应力;试样制备;橡胶;高聚物;试验设备;柔性材料;塑料;密度;压缩试验;试样
【英文主题词】:Compressiontesting;Compressivestress;Definition;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,theshapeofthecompressionplate,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】:G31
【国际标准分类号】:83_100
【页数】:14P;A4
【正文语种】:英语