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【英文标准名称】:Plasticspipingsystemsforthesupplyofgaseousfuelsformaximumoperatingpressureuptoandincluding0,4MPa(4bar)-Polyamide(PA)-Part2:Pipes
【原文标准名称】:最大使用压力达0.4MPa(4bar)及以下的气体燃料供应用塑料管道系统.聚酰胺(PA).第2部分:管
【标准号】:ISO15439-2-2007
【标准状态】:作废
【国别】:国际
【发布日期】:2007-12
【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/TC138
【标准类型】:()
【标准水平】:()
【中文主题词】:直径;尺寸;燃气管路;燃气管道;燃气管;几何特性;作标记;材料;机械性能;公称宽度;外径;物理属性;管;管道系统;塑料管道;塑料管;聚酰胺;规范(验收);壁厚;工作压力
【英文主题词】:Diameter;Dimensions;Gascircuits;Gaspipelines;Gaspipes;Geometricalproperties;Marking;Materials;Mechanicalproperties;Nominalwidths;Outsidediameters;Physicalproperties;Pipes;Pipingsystem;Plasticpipelines;Plasticpipes;Polyamides;Specification(approval);Wallthicknesses;Workingpressures
【摘要】:ThispartofISO15439specifiesthephysicalandmechanicalpropertiesofpipesmadefrompolyamideinaccordancewithPart1,intendedtobeburiedandusedforthesupplyofgaseousfuelsformaximumoperatingpressureuptoandincluding4bar.Italsospecifiesthetestparametersforthetestmethodstowhichitrefers.Inaddition,thispartofISO15439laysdowndimensionalcharacteristicsandrequirementsforthemarkingofpipes.
【中国标准分类号】:Q82
【国际标准分类号】:23_040_20;23_040_45
【页数】:7P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodsforPolyurethaneRawMaterials:DeterminationofTotalChlorineinIsocyanates
【原文标准名称】:聚氨酯原材料的标准试验方法:异氰酸酯中总氯化物含量的标准试验方法
【标准号】:ASTMD4661-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D20.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aromaticisocyanates;chlorine;isocyanates;oxygenbomb;polyurethanerawmaterials;Sch?/span>nigerignition;titration;Chlorinecontent--plastics;Isocyanates;Isomeranalysis;Mixedisomers;Oxygenbombmethod;Polyurethan
【摘要】:Thesetestmethodscanbeusedforresearchorforqualitycontroltodeterminethetotalchlorinecontentofaromaticisocyanates.Insomeinstancestotalchlorinecontentmaycorrelatewithperformanceinpolyurethanesystems.1.1Thesetestmethodsdeterminethetotalchlorinecontentofaromaticisocyanatesusedaspolyurethanerawmaterials.Thedifferencebetweenthetotalchlorinecontentandthehydrolyzablechlorinecontent(seeTestMethodD4663)isameasureoftheamountofo-dichlorobenzeneandotherring-substitutedchlorinatedproductsthatarepresent.Bothproceduresareapplicabletoavarietyoforganiccompoundsbuttheamountofsampleusedmayhavetobevaried.(SeeNote1.)1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThereisnoequivalentISOstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_080_10
【页数】:5P.;A4
【正文语种】:英语