【英文标准名称】:StandardSpecificationforPolytetrafluoroethylene(PTFE)ResinProducedFromDispersion
【原文标准名称】:由分散体制得的聚四氟乙烯(PTFE)树脂标准规范
【标准号】:ASTMD4895-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D20.15
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:coagulateddispersionpolytetrafluoroethylene;fluoropolymers;polytetrafluoroethylene;PTFE;PasteextrudedPTFE;Plastics--specifications;Pressuretesting--plastics;Specimenpreparation(fortesting)--plastics;Stretchingvoidindex(SVI);PTFE(po
【摘要】:1.1Thisspecificationcoversdry-powderresinsofpolytetrafluoroethylene(PTFE)thathavebeenpreparedfromdispersionsofPTFEbymanufacturingtechniquesthatinvolvecontrolledcoagulationofthedispersion.Theseresinsaregenerallyknownasx201C;fine-powderx201D;resinsorx201C;coagulated-dispersionpowderx201D;resins.Theconversionoftheseresinstofinishedproductsnormallyinvolvesaprocesscalledx201C;pasteextrusion,x201D;andsometimesinvolvesformativeprocessessuchascalendering.Avolatileliquidispresentasaprocessingaidduringtheseformativestagesofconversion,andissubsequentlyremovedduringthefinishingstagesofconversion.ThesePTFEresinsarehomopolymersoftetrafluoroethylene,or,insomecases,modifiedhomopolymerscontainingnotmorethan1%byweightofotherfluoromonomers.Theusualmethodsofprocessingthermoplasticsgenerallyarenotapplicabletothesematerialsbecauseoftheirviscoelasticproperties.ThematerialscoveredhereindonotincludemixturesofPTFEwithadditivessuchascolors,fillers,orplasticizers;nordotheyincludereprocessedorregroundresinoranyfabricatedarticlesbecausethepropertiesofsuchmaterialshavebeenirreversiblychangedwhentheywerefibrillatedorsintered.Themethodsandpropertiesincludedarethoserequiredtoidentifythevariousresins.Anadditionalprocedureisprovidedintheappendixforfurthercharacterizationoftheresins.1.2ThevaluesstatedinSIunitsasdetailedinaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.3ThefollowingsafetyhazardscaveatpertainsonlytotheSpecimenPreparationSection,Section9,andtheTestMethodsSection,Section10,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeWarningnotein9.1.1foraspecifichazardsstatement.Note18212;InformationinthisspecificationistechnicallyequivalenttorelatedinformationinISO12086-1andISO12086-2.
【中国标准分类号】:G32
【国际标准分类号】:83_080_10
【页数】:14P.;A4
【正文语种】:英语
【英文标准名称】:Industrialautomationsystemsandintegration-Productdatarepresentationandexchange-Part1293:Applicationmodule:AP239partdefinitioninformation
【原文标准名称】:工业自动化系统和集成.产品数据表示和交换.第1293部分:应用模型:AP239部件定义信息
【标准号】:ISO/TS10303-1293-2005
【标准状态】:作废
【国别】:国际
【发布日期】:2005-08
【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/TC184
【标准类型】:()
【标准水平】:()
【中文主题词】:自动化系统;数据交换;信息交换;产品数据;信息交流;使用;计算机应用;数据表示;表示法;自动化;工业产品
【英文主题词】:Applications;Automation;Automationsystems;Computerapplications;Dataexchange;Datarepresentation;Industrialproducts;Informationexchange;Informationinterchange;Productdata;Representations
【摘要】:ISO/TS10303-1293:2005specifiestheapplicationmoduleforAP239partdefinitioninformation,inparticular:representationofthedatathatidentifypartsandtheirversions;representationofcharacterizationviewsofaversionofapart;representationofparts,theirversions,theirdefinitions,andtheirmanagementinformation,suchasdates,thatareassignedtothem;representationofaliasidentificationsassignedtoproductdata;representationofthedatathatidentifyaproductandthecategoriesofproductsitbelongsto;representationofthedatathatdesignateaversionofaproduct;representationofcharacterizationviewsofaproductversion;representationofrelationshipsbetweenversionsofproducts;representationofassignmentsofanidentifiertoproductdata;representationandclassificationofdocumentsanddocumentinformationthatmayapplytopartdefinitioninformation;representationofpropertiesofobjects,theirvaluesandtypes,andclassifications;representationofinformationthatrecordstheidentificationofanexistingorpotentialfutureartifact-anactualproductwhosepropertiescanonlybeknownbyobservationorbyderivationfromobservations;representationofinterfacesbetweenproducts;representationofthelifecyclephaseofexistinginterfacesbetweenactualproducts(asrealized),andincludesplannedinterfacesbetweenplannedproducts;representationofrelationshipsbetweenrequirementsanditemstowhichtheyareassigned,andbetweenrequirementsandtheitemswhicharetheirsource;representationoftheinformationthatidentifyarequirementandversionsofrequirements;representationofcharacterizationviewsofarequirementversion;representationofrelationshipsbetweenrequirementswhichareexpressedasrelationshipsbetweenrequirementviewdefinitions;representationofatypeofstate;representationofstateobserved.
【中国标准分类号】:N17
【国际标准分类号】:25_040_40;35_240_50
【页数】:41P.;A4
【正文语种】:英语
基本信息
| 标准名称： | K-20反射速调管 |
| 英文名称： | Reflex klystrons Type K-20 |
| 中标分类： |
电子元器件与信息技术 >>
电真空器件 >>
微波管 |
| 发布日期： | 1976-11-24 |
| 实施日期： | 1977-01-01 |
| 首发日期： | |
| 作废日期： | 2010-01-20 |
| 出版日期： | |
| 页数： | 5页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 电子元器件与信息技术 电真空器件 微波管