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【英文标准名称】:Flexiblecellularpolymericmaterials-Determinationofhardness(indentationtechnique)
【原文标准名称】:软质泡沫聚合材料硬度的测定(压痕法)
【标准号】:ISO2439-1997
【标准状态】:作废
【国别】:国际
【发布日期】:1997-09
【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】:高聚物;硬度测量;材料;试验;泡沫橡胶;定义;多孔材料;硬度;压缩永久变形;压痕方法;塑料
【英文主题词】:Cellularmaterials;Compressionset;Definition;Definitions;Foamedrubber;Hardness;Hardnessmeasurement;Indentationmethod;Materials;Plastics;Polymers;Testing
【摘要】:ThisInternationalStandardspecifiesthreemethodsfordeterminingtheindentationhardnessofflexiblecellularmaterials:methodA(indentationhardnessindex),whichgivesasingleindentationmeasurementforlaboratorytestpurposes;methodB(indentationhardnesscharacteristics),whichprovidesinformationabouttheshapeofthehardnessindentationcurve;methodC(indentationhardnesscheck),whichisaquickproceduresuitableforqualitycontroltesting.Themethodsareapplicableonlytolatex,urethanefoamandPVCfoamoftheopencelltype.NOTE—Theindentationhardnessofflexiblecellularmaterialsisameasureoftheirload-bearingproperties.Themethodsspecifiedcanbeusedfortestingfinishedarticlesandforthecharacterizationofbulkmaterial.Theresultsobtainedbythesemethodsrelateonlytothetestconditionsspecifiedandcannot,ingeneral,beuseddirectlyfordesignpurposes.
【中国标准分类号】:G31
【国际标准分类号】:83_100
【页数】:4P;A4
【正文语种】:英语