【英文标准名称】:Flexiblecellularpolymericmaterials-Determinationofhardness(indentationtechnique)
【原文标准名称】:软质泡沫聚合物材料.硬度的测定(压痕技术)
【标准号】:BSENISO2439-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2009-01-31
【实施或试行日期】:2009-01-31
【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;压缩永久变形;定义;泡沫橡胶;硬度;硬度测量;压痕方法;材料;材料试验;塑料;高聚物;试验
【英文主题词】:Cellularmaterials;Compressionset;Definition;Definitions;Foamedrubber;Hardness;Hardnessmeasurement;Indentationmethod;Materials;Materialstesting;Plastics;Polymers;Testing
【摘要】:Theindentationhardnessofflexiblecellularmaterialsisameasureoftheirload-bearingproperties.ThisInternationalStandardspecifiesfourmethods(AtoD)forthedeterminationofindentationhardnessandonemethod(E)fordeterminationofcompressivedeflectioncoefficientandhysteresislossrateofflexiblecellularmaterials.AnnexAprovidesasummaryoftestparametersandtypicalforce-indentationgraphsobtainedwiththesemethods.Thesefivemethodsareapplicableonlytolatexfoam,urethanefoamandPVCfoamoftheopen-celltype.Themethodsspecifiedcanbeusedfortestingfinishedarticlesandforthecharacterizationofbulkmaterial.ThisInternationalStandardspecifiesthefollowingmethods:a)MethodA—Determinationofthe40%/30sindentationhardnessindex,whichgivesasingleindentationmeasurementforlaboratorytestpurposes;b)MethodB—Determinationofthe25%-40%-65%/30sindentationhardnesscharacteristics,whichprovidesinformationabouttheshapeofthehardnessindentationcurve;c)MethodC—Determinationofthe40%indentationhardnesscheck,whichisaquickproceduresuitableforqualitycontroltesting;d)MethodD—Determinationofthe25%/20slowindentationhardnessindex,whichisaquickproceduresuitableasaninspectiontest;e)MethodE—Determinationofthecompressivedeflectioncoefficientandhysteresislossrate,whichgivesadditionalinformationabouttheload-bearingpropertiesofmaterials.Theresultsobtainedbythesemethodsrelateonlytothetestconditionsspecifiedandcannot,ingeneral,beuseddirectlyfordesignpurposes.
【中国标准分类号】:G31
【国际标准分类号】:83_100
【页数】:22P.;A4
【正文语种】:英语


【英文标准名称】:Plastics;phenolicresins;determinationofresidualphenolcontentbygaschromatography;identicalwithISO8974:1988
【原文标准名称】:塑料.酚醛树脂.用气体色谱法测定残余酚含量
【标准号】:DINISO8974-1991
【标准状态】:作废
【国别】:德国
【发布日期】:1991-12
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:苯酚;树脂;测定;人造树脂;分析;试验;化学分析和试验;酚醛树脂;塑料;气相色谱法;含量测定
【英文主题词】:plastics;testing;phenol;analysis;gaschromatography;resins;artificialresins;chemicalanalysisandtesting;determinationofcontent;phenolicresins;determination
【摘要】:
【中国标准分类号】:G31
【国际标准分类号】:6850
【页数】:3P;A4
【正文语种】:德语