SAE AS33731 Strip, Mounting, Nut Insulating, for MS27212 Terminal Board

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【英文标准名称】:StandardTestMethodforLinearDensityofYarn(YarnNumber)bytheSkeinMethod
【原文标准名称】:用绞纱法试验纱线线密度(纱线支数)用标准试验方法
【标准号】:ASTMD1907-2007
【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】:延伸能力;材料性能;绞纱;试验;纱
【英文主题词】:yarnlineardensity,yarnnumber
【摘要】:1.1Thistestmethodcoversthedeterminationofthelineardensityofalltypesofyarninpackageform,subjecttothelimitationsofsizeandstretchgiveninand.Provisionismadeforexpressingyarnlineardensityinallthetraditionalyarnnumberingsystems.1.2Thismethodisapplicabletoyarnsthatstretchlessthan5%whentensionontheyarnisincreasedfrom0.25to0.75cN/tex(0.25to0.75gf/tex).Bymutualagreement,anduseofalowerthanspecifiedreelingtension,thismethodmayalsobeadaptedtomeasurethelineardensityofyarnsthatstretchmorethan5%,undertheaboveforce.1.3Thismethodisapplicabletoyarnsfinerthan2000tex.However,itmaybealsoadaptedtocoarseryarnsbytheuseofskeinsofshorterthanspecifiedlengths,andalternatereelingconditions,agreeabletotheinterestedparties.1.4Dependingontheprocedureusedtocalculatethemoisturecontentoftheyarnbeingtested,anditsactualmoisturecontent,orfinishcontent,orboth,oneormoreofthefollowingoptionsmaybeutilized.1.4.1UnscouredYarnOption1-Yarnatequilibriumwiththestandardatmospherefortestingtextiles.Option2-Oven-driedyarn.Option3-Oven-driedyarn,pluscommercialmoistureregain.1.4.2ScouredYarnOption4-Scouredyarnatequilibriumwiththestandardatmospherefortestingtextiles.Option5-Oven-dried,scouredyarn.Option6-Oven-dried,scouredyarn,pluscommercialmoistureregain.Option7-Oven-dried,scouredyarn,pluscommercialallowance(commercialmoistureregain,plusanallowanceforfinish).1.5Specimensusedtodetermineyarnlineardensitymayalsobeusedtodeterminetheskeinbreakingstrengthoftheyarn.Hence,thismethodprovidesthesequenceofstepstobefollowed,todetermineboththeseyarnproperties.Note1Thelineardensityofyarnsproducedwithjute,orglass,mayalsobedeterminedbythefollowingapprovedmethods:SpecificationsD541,D578,andD681.Thelineardensityofshortyarnsegments,raveledfromfabrics,maybedeterminedbyTestMethodD1059.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.ThevaluesshowninparenthesesareapproximateconversionstoU.S.customaryunitequivalents.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W04
【国际标准分类号】:59_080_20
【页数】:9P.;A4
【正文语种】:


【英文标准名称】:Basematerialsforprintedcircuits-Part2:Specifications;specificationNo.16:Polyimidewovenglassfabriccopper-cladlaminatedsheetofdefinedflammability(verticalburningtest)(IEC60249-2-16:1992/A1:1993);GermanversionEN60249-2-16:1993/A
【原文标准名称】:印制电路用基材.第2部分:规范.第16号规范:规定易燃性的覆铜聚酰亚胺玻璃布层压板(立式耐燃性试验)
【标准号】:DINEN60249-2-16/A1-1994
【标准状态】:作废
【国别】:德国
【发布日期】:1994-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:信号测定;试验;塑料;规范;材料;覆铜的;半导体工艺;印制电路;电气工程;电子工程;材料规范;聚酰亚胺;可燃性;电子设备及元件;印制电路板;燃烧特性;基底材料;特性;开关电路;编织玻璃纤维板;聚酰亚胺树脂
【英文主题词】:
【摘要】:
【中国标准分类号】:L30
【国际标准分类号】:13_220_40;31_180
【页数】:3P;A4
【正文语种】:德语