ISO 8257-2-2001 塑料聚甲基丙烯酸甲酯(PMMA)模塑和挤塑材料第2部分:试样的制备和性能的测定
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【英文标准名称】:Plastics-Poly(methylmethacrylate)(PMMA)mouldingandextrusionmaterials-Part2:Preparationoftestspecimensanddeterminationofproperties
【原文标准名称】:塑料聚甲基丙烯酸甲酯(PMMA)模塑和挤塑材料第2部分:试样的制备和性能的测定
【标准号】:ISO8257-2-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-12
【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】:试样;特性;试验;测定;高聚物;PMMA塑料;塑料;聚甲基丙烯酸甲酯;聚甲基丙烯酸甲酯;异丁烯酸甲酯;计数检查;模塑材料;试样制备;生产;模制材料
【英文主题词】:Conformity;Determination;Inspectionbyattributes;Methylmethacrylate;Mouldingmaterials;Mouldings(shapedsection);Plastics;PMMAplastics;Polymers;Polymethylmethacrylate;Polymethylmethacrylate;Production;Properties;Specimenpreparation;Testspecimens;Testing
【摘要】:1ThispartofISO8257specifiesproceduresformouldingtestspecimensofPMMAmaterialsinaspecifiedstate,andmethodsformeasuringtheirproperties.AnypropertylistedinthispartofISO8257andreferredtoincombina-tionwithISO8257-1shallbedeterminedbythemethodreferredtointhispartofISO8257.2Novaluesarequotedfortheseproperties.ThoserequiredforthedesignationofPMMAmaterialsformouldingandextrusionaregiveninISO8257-1.OtherpropertiesshallbedeterminedbytheappropriatemethodsreferredtointhispartofISO8257.3ThevaluesdeterminedinaccordancewiththispartofISO8257willnotnecessarilybeidenticaltothoseob-tainedusingspecimensofdifferentdimensionsand/orpreparedbydifferentprocedures.Theymayalsobeinflu-encedbycolorantsandotheradditives.Thevaluesobtainedforthepropertiesofamouldingdependonthemouldingcompound,theshapeoftestspecimen,thetestmethodandthestateofanisotropy.Thelast-mentioneddependsonthegatingandthemouldingconditions,forexampletemperature,pressureorinjectionrate.Anysubsequenttreat-mentmustalsobeconsidered,forexampleconditioningorannealing.4Thethermalhistoryandtheinternalstressesofthespecimensmaystronglyinfluencethermalandmechanicalpropertiesandresistancetoenvironmentalstresscracking,butexertlesseffectontheelectricalproperties,whichmainlydependonthechemicalcompositionofthemouldingcompound.
【中国标准分类号】:G32
【国际标准分类号】:83_080_20
【页数】:6P;A4
【正文语种】:英语
【原文标准名称】:塑料聚甲基丙烯酸甲酯(PMMA)模塑和挤塑材料第2部分:试样的制备和性能的测定
【标准号】:ISO8257-2-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-12
【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】:试样;特性;试验;测定;高聚物;PMMA塑料;塑料;聚甲基丙烯酸甲酯;聚甲基丙烯酸甲酯;异丁烯酸甲酯;计数检查;模塑材料;试样制备;生产;模制材料
【英文主题词】:Conformity;Determination;Inspectionbyattributes;Methylmethacrylate;Mouldingmaterials;Mouldings(shapedsection);Plastics;PMMAplastics;Polymers;Polymethylmethacrylate;Polymethylmethacrylate;Production;Properties;Specimenpreparation;Testspecimens;Testing
【摘要】:1ThispartofISO8257specifiesproceduresformouldingtestspecimensofPMMAmaterialsinaspecifiedstate,andmethodsformeasuringtheirproperties.AnypropertylistedinthispartofISO8257andreferredtoincombina-tionwithISO8257-1shallbedeterminedbythemethodreferredtointhispartofISO8257.2Novaluesarequotedfortheseproperties.ThoserequiredforthedesignationofPMMAmaterialsformouldingandextrusionaregiveninISO8257-1.OtherpropertiesshallbedeterminedbytheappropriatemethodsreferredtointhispartofISO8257.3ThevaluesdeterminedinaccordancewiththispartofISO8257willnotnecessarilybeidenticaltothoseob-tainedusingspecimensofdifferentdimensionsand/orpreparedbydifferentprocedures.Theymayalsobeinflu-encedbycolorantsandotheradditives.Thevaluesobtainedforthepropertiesofamouldingdependonthemouldingcompound,theshapeoftestspecimen,thetestmethodandthestateofanisotropy.Thelast-mentioneddependsonthegatingandthemouldingconditions,forexampletemperature,pressureorinjectionrate.Anysubsequenttreat-mentmustalsobeconsidered,forexampleconditioningorannealing.4Thethermalhistoryandtheinternalstressesofthespecimensmaystronglyinfluencethermalandmechanicalpropertiesandresistancetoenvironmentalstresscracking,butexertlesseffectontheelectricalproperties,whichmainlydependonthechemicalcompositionofthemouldingcompound.
【中国标准分类号】:G32
【国际标准分类号】:83_080_20
【页数】:6P;A4
【正文语种】:英语
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