BS ISO 16549-2005 纺织材料.纤维绳的不匀性.容量法

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【英文标准名称】:Textiles-Unevennessoftextilestrands-Capacitancemethod
【原文标准名称】:纺织材料.纤维绳的不匀性.容量法
【标准号】:BSISO16549-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-02-09
【实施或试行日期】:2005-02-09
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:状态调节;不匀性;纺织材料;测量;试验;条子;绳;定义;纱
【英文主题词】:Conditioning;Definition;Definitions;Measurement;Sliver;Testing;Textiles;Twine;Uneveness;Yarn
【摘要】:ThisInternationalStandarddescribesamethod,usingcapacitancemeasuringequipment,fordeterminingtheunevennessoflineardensityalongthelengthoftextilestrands.Themethodisapplicabletotops,slivers,rovings,spunyarnsandcontinuousfilamentyarns,madefromeithernaturalorman-madefibres,intherangeof4tex(g/km)to80ktex(kg/km)forstaple-fibrestrandsand1tex(g/km)to600tex(g/km)forcontinuous-filamentyarns.Itisnotapplicabletofancyyarnsortostrandscomposedfullyorpartlyofconductivematerialssuchasmetals;thelatterrequireanopticalsensor(seeA.4).Themethoddescribesthepreparationofavariance-lengthcurve,aswellasthedeterminationofperiodicitiesoflineardensity.Itcoversalsothecountingofimperfectionsintheyarn,namelyofnepsandofthickandthinplaces.Irregularitiesinthedistributionofadditivessuchassizes,inmoisturecontentandinfibreblendingmayincreasethemeasuredunevennessaboveitstruevalue.
【中国标准分类号】:W04
【国际标准分类号】:59_060_01
【页数】:20P;A4
【正文语种】:英语