【英文标准名称】:StandardTestMethodforLengthandLengthDistributionofManufacturedStapleFibers(Single-FiberTest)
【原文标准名称】:人造短纤维的长度和长度分布用标准试验方法(单纤维试验)
【标准号】:ASTMD5103-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D13.58
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:纤维长度;人造纤维;短纤维;试验方法;纺织纤维
【英文主题词】:length;textilefibers
【摘要】:Thistestmethodisusedforresearch,development,qualitycontrol,productspecifications,andmaybeusedforacceptancetestingofcommercialshipmentsoftextilefibers.However,cautionisadvisedsinceinformationonbetween-laboratoryprecisionislacking.Comparativetestsasdirectedin5.1.1maybeadvisable.5.1.1Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,testsamplesthatareashomogenousaspossible,drawnfromthematerialfromwhichthedisparatetestresultswereobtained,andrandomlyassignedinequalnumberstoeachlaboratoryfortesting.Thetestresultsfromthetwolaboratoriesshouldbecomparedusingastatisticaltestforupaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsforthatmaterialmustbeadjustedinconsiderationoftheknownbias.Thistestmethodprovidesobjectivemeasurementsfordeterminingtheaveragefiberlengthandlengthdistributioninasampleoffiber.Thestaplelengthdiagramofafibersamplecanbeusedtodeterminetherelativenumberoffibersaboveandbelowaspecifiedlength.Ifafiberistoolong,itwillnotprocesswellinspinning,andifthereisapreponderanceofshortfibers,theyarnmighthavelowerthannormalbreakingstrength.1.1Thistestmethodcoversthedeterminationofaveragestaplelengthandstaplelengthdistributionofbothmanufacturedandnaturalfibersbymanuallymeasuringsinglefiberlengths.Thistestmethodisalsousedtomeasurethelengthoffibersremovedfromastapleyarn,butsuchameasurementmaynotrepresentthefiber''sstaplelength,asmanufactured.1.2Becausethistestmethodrequiresmeasuringthelengthofonly50fibers,itisnotsuitableforuseindeterminingthenumberoflongfibersthatoccurinfrequentlyinasample.Note18212;Fordeterminationforoverlengthfibers,refertoTestMethodD3513.Note28212;Formethodscoveringthedeterminationoftheaveragelengthandlengthdistributionofnaturalfibers,refertothefollowingmethods:forcotton,TestMethodD1440,andTestMethodD1447,forwool,TestMethodD519,TestMethodD1234,andTestMethodD1575.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W52
【国际标准分类号】:59_060_20
【页数】:4P.;A4
【正文语种】:
基本信息
标准名称: | 软聚氯乙烯管(电线绝缘用) |
英文名称: | Plasticized polyvinyl chloride tubing for elect rical insulation |
中标分类: |
化工 >>
合成材料 >>
塑料型材 |
ICS分类: |
流体系统和通用件 >>
管道部件和管道 >>
塑料管
|
替代情况: | SG 79-1974 |
发布部门: | 国家技术监督局 |
发布日期: | 1992-06-01 |
实施日期: | 1993-03-01 |
首发日期: | 1992-06-23 |
作废日期: | 2005-10-14 |
主管部门: | 中国轻工业联合会 |
归口单位: | 全国塑料制品标准化技术委员会 |
起草单位: | 大连塑料研究所 |
出版日期: | 1900-01-01 |
页数: | 8页 |
适用范围
本标准规定了流体输送用软聚氯乙烯管(以下简称软管)的分类、技术要求、试验方法、检验规则和标志、包装、运输、贮存。本标准适用于以聚氯乙烯树脂为主要原料,经挤出成型的电线绝缘用塑料软管。该软管在常温下主要用于保护电线、电缆。
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 化工 合成材料 塑料型材 流体系统和通用件 管道部件和管道 塑料管