作者:标准资料网 时间:2024-05-17 15:02:58   浏览:9983   来源:标准资料网

【英文标准名称】:Rigidcellularplastics-Determinationofthevolumepercentageofopencellsandofclosedcells
【原文标准名称】:硬质泡沫塑料.开口和封闭气室容积百分数测定
【标准号】:ISO4590-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-03
【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/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;物理试验;硬的;测定;泡沫橡胶;气室;塑料;体积;试验;试验;孔隙度测量;孔隙率;容积测量;多孔材料;硬质泡沫塑料;试验设备;试样
【英文主题词】:Calibration;Cells;Cellularmaterials;Definitions;Determination;Foamedrubber;Hard;Measurement;Measuringtechniques;Physicaltesting;Plastics;Porosity;Porositymeasurement;Porositytests;Rigidfoams;Testequipment;Testresults;Testspecimens;Testing;Tests;Volume;Volumemeasurement
【摘要】:ThisInternationalStandardspecifiesageneralprocedureforthedeterminationofthevolumepercentageofopenandofclosedcellsofrigidcellularplastics,bymeasurementfirstofthegeometricalvolumeandthenoftheair-impenetrablevolumeoftestspecimens.Theprocedureincludesthecorrectionoftheapparentopen-cellvolumebytakingintoaccountthesurfacecellsopenedbycuttingduringspecimenpreparation.Twoalternativemethods(method1andmethod2),andcorrespondingapparatus,arespecifiedforthemeasurementoftheimpenetrablevolume.Theresultsobtainedfrommethod2(seeclause9)areintendedtobeusedforcomparisonpurposesonly.
【中国标准分类号】:G31
【国际标准分类号】:83_100
【页数】:17P;A4
【正文语种】:英语