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ASTM D5492-2010 丙烯塑料中的二甲苯溶解物测定的标准试验方法

作者:标准资料网 时间:2024-05-10 10:41:32  浏览:8041   来源:标准资料网
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【英文标准名称】:StandardTestMethodforDeterminationofXyleneSolublesinPropylenePlastics
【原文标准名称】:丙烯塑料中的二甲苯溶解物测定的标准试验方法
【标准号】:ASTMD5492-2010
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:plastics;polypropylene;xylenesolubles;Polypropylene(PP);Propylene(PP)plastics;Xylenesolubles
【摘要】:Theresultsofthistestprovidearelativemeasureofthetotalsolublefractionofpolypropylenehomopolymersandcopolymers.Thesolublefractionapproximatelycorrelatestotheamorphousfractioninthepolypropylene.Xyleneiswidelyusedfordeterminingthesolublefractioninpolypropyleneasitismorespecifictotheatacticfractionthanothersolvents.Theconcentrationofasolublefractionobtainedwithaspecificsolventhasbeenfoundtorelatecloselytotheperformancecharacteristicsofaproductincertainapplications,forexamplefilmandfiber.Dataobtainedbyonesolventandatoneprecipitationtimecannotbecomparedwithdataobtainedbyanothersolventorprecipitationtime,respectively.1.1Thistestmethodistobeusedfordeterminingthe25x00B0;Cxylene-solublefractionofpolypropylenehomopolymersandcopolymers.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThistestmethodistechnicallyequivalenttoISO16152.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:5P.;A4
【正文语种】:英语


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Product Code:SAE AIR5744
Title:Aircraft Thermal Management System Engineering
Issuing Committee:Ac-9 Aircraft Environmental Systems Committee
Scope: This AIR provides information on aircraft thermal management system engineering providing insight to a defined discpline for this system enineeering approach and provide an overview of the requirements that are associated with this approach/process. This AIR is the first installment in the development of this subject area as a critical discpline for the advancement of aircraft systems for effective and efficient designs for aircrafts.
Rationale: This AIR provides information on aircraft thermal management system engineering providing insight to a defined discpline for this system enineeering approach and provide an overview of the requirements that are associated with this approach/process. This AIR is the first installment in the development of this subject area as a critical discpline for the advancement of aircraft systems for effective and efficient designs for aircrafts.【英文标准名称】:SpecificationforPressure-ReducingValvesforSteamService
【原文标准名称】:蒸汽供应减压阀规范
【标准号】:ANSI/ASTMF1565-2000
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【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】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:燃气管路;压力调节器;阀门;气体;液压系统
【英文主题词】:Fluidsystems;Gascircuits;Gases;Pressurereducingvalves;Pressureregulators;Valves
【摘要】:Thisspecificationcoversself-contained,internallyoperated,globestyle,pressure-reducingvalvesforuseinsteamservice.Inthesevalves,thedownstreampressurefeedbackissensedbyaspring-loadeddiaphragmtopositionapilotvalve-thepilotvalveusestheinletsteampressuretopositionthemainvalveplugviaanoperatingpiston.
【中国标准分类号】:J16
【国际标准分类号】:
【页数】:
【正文语种】:英语



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