【英文标准名称】:Flexiblecellularpolymericmaterials-Determinationofhardness(indentationtechnique)(ISO2439:2008);EnglishversionofDINENISO2439:2009-05
【原文标准名称】:柔性泡沫聚合材料硬度的测定(压痕法)
【标准号】:DINENISO2439-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【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;试件;试验
【英文主题词】:Cellularmaterials;Compressionset;Definition;Definitions;Foamedrubber;Hardness;Hardnessmeasurement;Indentationmethod;Materials;Materialstesting;Plastics;Polymers;Testpieces;Testing
【摘要】:Theindentationhardnessofflexiblecellularmaterialsisameasureoftheirload-bearingproperties.ThisInternationalStandardspecifiesfourmethods(AtoD)forthedeterminationofindentationhardnessandonemethod(E)fordeterminationofcompressivedeflectioncoefficientandhysteresislossrateofflexiblecellularmaterials.AnnexAprovidesasummaryoftestparametersandtypicalforce-indentationgraphsobtainedwiththesemethods.Thesefivemethodsareapplicableonlytolatexfoam,urethanefoamandPVCfoamoftheopen-celltype.Themethodsspecifiedcanbeusedfortestingfinishedarticlesandforthecharacterizationofbulkmaterial.ThisInternationalStandardspecifiesthefollowingmethodsa)MethodA--Determinationofthe40%/30sindentationhardnessindex,whichgivesasingleindentationmeasurementforlaboratorytestpurposes;MethodB--Determinationofthe25%-40%-65%/30sindentationhardnesscharacteristics,whichprovidesinformationabouttheshapeofthehardnessindentationcurve;MethodC--Determinationofthe40%indentationhardnesscheck,whichisaquickproceduresuitableforqualitycontroltesting;MethodD--Determinationofthe25%/20slowindentationhardnessindex,whichisaquickproceduresuitableasaninspectiontest;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】:19P.;A4
【正文语种】:英语


【英文标准名称】:Electrotechnicalproducts-Determinationoflevelsofsixregulatedsubstances(lead,mercury,cadmium,hexavalentchromium,polybrominatedbiphenyls,polybrominateddiphenylethers)(IEC62321:2008);GermanversionEN62321:2009
【原文标准名称】:电工产品.测定六种限制物质(铅,汞,镉,六价铬,多溴联苯,多溴联苯醚)的浓度(IEC62321:2008),德文版本EN62321:2009
【标准号】:EN62321-2009
【标准状态】:现行
【国别】:
【发布日期】:2009-12
【实施或试行日期】:2009-12-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Analysis;Cadmium;Calibration;Chemicalanalysisandtesting;Chromium(VI);Coatings;Components;Definitions;Determination;Determinationofcontent;Diphenylether;Electricalengineering;Electronicequipmentandcomponents;Electrotechnicalproducts;Environment;Environmentalsustainability;Extraction;Lead;Limitationofuse;Materialstesting;Mercury;PolybromatedBiphenyl;Protectivecoat;Qualityassurance;Specification(approval);Specimenpreparation;Substances;Testing;X-rayfluorescenceanalysis;X-rayfluorescencespectrometry;X-rayspectrometry
【摘要】:
【中国标准分类号】:K04
【国际标准分类号】:29_020
【页数】:118P.;A4
【正文语种】:英语