【英文标准名称】:Plastics-Impact-resistantpolystyrene(PS-I)mouldingandextrusionmaterials-Designationsystemandbasisforspecifications
【原文标准名称】:塑料.耐冲击的聚苯乙烯(PS-I)的模塑和挤塑材料.名称和符号体系和规范基础
【标准号】:BSENISO2897-1-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1997-09-15
【实施或试行日期】:1997-09-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:丁二烯;分类系统;定义;定义(术语);名称与符号;编码;挤压;抗冲击;作标记;材料;模塑材料;模制材料;塑料;聚苯乙烯;特性;规范;规范(验收);规格;苯乙烯;热塑性聚合物
【英文主题词】:Butadiene;Classificationsystems;Definition;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-resistantpolystyreneplasticaredifferentiatedfromeachotherbyaclassificationsystembasedonappropriatelevelsofthedesignator/propertiesa)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.5Inordertospecifyathermoplasticmaterialforaparticularapplicationortoensurereproducibleprocessing,additionalrequirementsmaybegivenindatablock5(seeclause3,introductoryparagraph).
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:14P.;A4
【正文语种】:英语