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【英文标准名称】:Plastics-Impact-resistantpolystyrene(PS-I)mouldingandextrusionmaterials-Part1:Designationsystemandbasisforspecifications
【原文标准名称】:塑料耐冲击聚苯乙烯(PS-I)模塑和挤塑材料第1部分:命名系统和基本规范
【标准号】:ISO2897-1-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-07
【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】:规范(验收);模塑材料;聚苯乙烯;模制材料;塑料;挤压;名称与符号
【英文主题词】:Butadiene;Classificationsystems;Definitions;Designations;Encoding;Extruding;Impactresistant;Marking;Materials;Mouldingmaterials;Mouldings(shapedsection);Plastics;Polystyrene;Properties;Specification;Specification(approval);Specifications;Styrene;Thermoplasticpolymers
【摘要】:1ThispartofISO2897establishesasystemofdesignationforimpact-resistantpolystyrene(PS-I)thermoplasticmaterials,whichmaybeusedasthebasisforspecifications.2Thetypesofimpact-resistantpolystyreneplasticaredifferentiatedfromeachotherbyaclassificationsystembasedonappropriatelevelsofthedesignatorypropertiesa)Vicatsofteningtemperatureb)meltflowratec)Izodimpactstrengthd)flexuralmodulusandoninformationabouttheintendedapplicationand/ormethodofprocessing,importantproperties,additivesandcolourants.3ThispartofISO2897isapplicabletoallimpact-resistantpolystyreneplasticswithatwo-phasepolymersystemcomprisedofacontinuousphase,consistingofpolystyreneand/oracopolymerofstyrenewithanalkyl-substitutedstyrene,andadispersedelastomericphasebasedonbutadiene.Itappliestomaterialsreadyfornormaluse,unmodifiedormodifiedbycolourants,additives,fillers,etc.ThispartofISO2897doesnotapplytoexpandablematerials.4Itisnotintendedtoimplythatmaterialshavingthesamedesignationgivenecessarilythesameperformance.ThispartofISO2897doesnotprovideengineeringdata,performancedataordataonprocessingconditionswhichmayberequiredtospecifyamaterialforaparticularapplicationand/ormethodofprocessing.Ifsuchadditionalpropertiesarerequired,theyshallbedeterminedinaccordancewiththetestmethodsspecifiedinpart2ofthisInternationalStandard,ifsuitable.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:6P.;A4
【正文语种】:英语