【英文标准名称】:SpecificationForCrosslinkedPolyethylene(pex)Pipe
【原文标准名称】:交联聚乙烯管(pex)规范
【标准号】:ANSI/ASTMF2788-2009
【标准状态】:作废
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:交联;PE-X;管道;管;塑料管;聚乙烯
【英文主题词】:Cross-linked;PE-X;Pipelines;Pipes;Plasticpipes;Polyethylene
【摘要】:
【中国标准分类号】:G33
【国际标准分类号】:23_040_20
【页数】:
【正文语种】:英语


【英文标准名称】:Plastics-Fluoropolymerdispersionsandmouldingandextrusionmaterials-Part1:Designationsystemandbasisforspecifications
【原文标准名称】:塑料.含氟聚合物分散体模塑和挤塑材料.第1部分:命名系统和基本规范
【标准号】:ISO12086-1-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-02
【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】:字母数字的;代码;数据块;定义;命名体制;名称与符号;挤压成型;含氟聚合物;作标记;模塑材料;模制材料(成形部分);塑料;聚合物水分散体;高聚物;特性;规范;符号
【英文主题词】:Alphanumeric;Codes;Datablocks;Definitions;Designationsystems;Designations;Extrusion;Fluoropolymers;Marking;Mouldingmaterials;Mouldings(shapedsection);Plastics;Polymerdispersions;Polymers;Properties;Specification;Symbols
【摘要】:1.1ThispartofISO12086establishesasystemofdesignationforfluoropolymermaterialsthatmaybeusedasthebasisforspecifications.Itcoversthehomopolymersandvariouscopolymersoffluoromonomersusedasdispersionsandformoulding,extrusionandotherspecializedapplications.ThispartofISO12086describesthedesignationsystemandprovidescodesandtablesofvaluesforthedesignatoryproperties.Thedesignationsystemisapplicablebothtoconventionalthermoplasticfluoropolymers,processedbyvarioustechniques,andthosematerialsthatareprocessedbytheuniqueoperationsrequiredforthenon-conventionalthermoplasticpolytetrafluoroethylene.Thematerialsincludeboththefluorocarbonpolymersandthevariousotherfluoropolymersasvirginpolymersorprocessedforreuseorrecycling.ThispartofISO12086alsoincludesanextensionofthedesignationsystemthatprovidesabasisforspecificationofthematerials.Thisbasisforspecificationmaybeusedtopreparespecificationsrelatedtowell-definedapplications.AsexplainedinClause5,thesespecificationswillusedatablocks1to4and,ifnecessary,datablock5asacomplement,thelast-mentioneddatablockcontainingthespecificrequirementsinrelationtotheapplication.Fluoroelastomersarespecificallyexcluded.1.2Fluoropolymersarelong-chainhomopolymersandcopolymersoffluoromonomers.Fluoropolymerscanbemodifiedwithsmallamountsofdifferentfluoromonomers.Ingeneral,providedthepolymerisnotmodifiedwithmorethanfivepercentbymassofmodifyingfluoromonomer(s),itcanbeclassedasthebasepolymer.PVDFisclassedasthebasepolymerwhenitismodifiedduringpolymerizationwithuptotwopercentbymassofadditionalfluoromonomersinthepolymerstructure.ForPTFE,uptoonepercentbymassofamodifyingcomonomeristhelimitforthematerialtobeclassedaspolytetrafluoroethylene.AgeneraldiscussionofmembersofthefluoropolymerfamilyisincludedinAnnexC.ThispartofISO12086isparticularlyconcernedwith,butisnotlimitedto,thematerialslistedin4.2.Theacceptedabbreviatedtermforeachmaterialisincludedin4.2.1.3Thevarioustypesoffluoropolymeraredifferentiatedfromeachotherbyaclassificationsystembasedonthefluoropolymergenusandappropriatelevelsofthedesignatoryproperties,alongwithinformationaboutbasicpolymerparameters,intendedapplicationormethodofprocessing,importantproperties,additives,colorants,fillersandreinforcingmaterials.Designatorypropertiesforeachfluoropolymerareselectedfromthegenerallistin5.4,andthosepropertiestobedesignatedforeachfluoropolymerarelistedin5.7andinAnnexesAandB.1.4ProvisionismadefordesignationofmaterialsinvolvedinreuseandrecyclingofthefluoropolymerscoveredbythispartofISO12086.AsetofdesignatorypropertiesisprovidedforreprocessedPTFEbecauseofitsspecialrequirements.Fornon-virginconventionalthermoplasticfluoropolymers,thesamedesignatorypropertiesasusedforvirginmaterialsareusedwithinclusionofthecodeZ1,Z2orZ3indatablock1asspecifiedinTable1.1.5Itisnotintendedtoimplythatmaterialshavingthesamedesignationnecessarilygivethesameperformance.Theconverseshouldalsobeemphasized,i.e.materialswithdifferentdesignationsmaybesuitableforuseinthesameapplication.ThispartofISO12086doesnotprovideengineeringdata,performancedataorprocessingconditionswhichmayberequiredtospecifymaterialsforparticularend-useapplications(seethediscussiononuseofdatablock5inClauses5and7).Ifsuchadditionalpropertiesarerequired,theycanbedeterminedinaccordancewiththetestmethodsspecifiedinISO12086-2,ifsuitable.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:31P;A4
【正文语种】:英语