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【英文标准名称】:StandardPracticeforUseoftheTexSystemtoDesignateLinearDensityofFibers,YarnIntermediates,andYarns
【原文标准名称】:用Tex系统命名纤维、纱半成品和纱线的线性密度标准实施规程
【标准号】:ASTMD861-2007
【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】:(Practice)
【标准水平】:()
【中文主题词】:布;测定;使用说明;线密度;肽(纱线);特数制;纺织试验;纺织材料;机织物;纱
【英文主题词】:ineardensity;tex;texsystem;textilefibers;textilestrand;yarn;yarnintermediates;yarnnumber
【摘要】:ThetexsystemhasbeenapprovedforgeneralusebytheInternationalOrganizationforStandardization,TechnicalCommittee38onTextiles(ISO/TC38),whichhasalsorecommendedalistofroundedtexnumbersforusewithfibersandalltypesofyarns.ConversiontablesshowingtheroundedtexnumberscorrespondingtovariousnumbersindifferenttraditionalsystemsaregiveninTablesD2260andISO2947.Thetexsystemfordesignationofthelineardensityoffibersandyarnsisadirectsystembasedonmassperunitlength,M/L,andemploysmetricunitsoflengthandmass.Thetexunit,gramsperkilometre(1000m)hasbeenapprovedbyISO/TC38forusewithallfibersandalltypesofyarn.Thecommitteehasalsoapprovedtheuseofkilotexanddecatexnumbersforcoarsestructuresanddecitexandmillitexnumbersforfibers.Thetexsystemrelatestothepropertycommonlyassociatedwithcoarseness,orinversefinenessofayarnbecausethetexnumbersincreasewithanincreaseinthesizeormassperunitlengthoftheyarn.Thetexsystemisintendedforusebyallbranchesofthetextileindustry,inallcountries,foryarnsmadefromalltypesoffibersormixturesoffibers.1.1Thispracticecoverstheuseofthetexsystemtodesignatethelineardensity(number,orcount)offibersandofyarnsmadefromanytypeoffiberorcombinationoffibers.Itisalsoapplicabletoothertextilematerials,includingyarnintermediates(slivers,rovings,tops,etc.),singleorpliedyarns,cords,andthreads.Note1Themassperunitlengthconceptoflineardensityisapplicabletoanymaterialwhichhasahighratiooflengthtocrosssection.1.2ConversionfactorsforvariousindirectanddirectyarnnumberstoexacttexequivalentscanbefoundinStandardTablesD2260.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W04
【国际标准分类号】:59_080_20
【页数】:2P.;A4
【正文语种】: