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【英文标准名称】:StandardTestMethodsforMeasurementofPhysicalPropertiesofCottonFibersbyHighVolumeInstruments
【原文标准名称】:用大容量仪器测量棉纤维物理性能的标准试验方法
【标准号】:ASTMD5867-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D13.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;棉纤维;细度;纺织纤维;棉花;物理性能;同一
【英文主题词】:color;cotton;elongation;fineness;HVI;length;micronaire;strength;tenacity;trash;uniformity
【摘要】:1.1Thesetestmethodscoverthecolor,trashcontent,micronaire,length,lengthuniformity,strengthandelongationofcottonfibersusingtheSpinlabSystemHVI900SAortheMotionControl,Inc.SystemsHVI3500andHVI4000thatareaseriesofinstrumentsconnectedtosinglededicatedprogrammedcomputers.1.2Thesetestmethodsareapplicabletoloosefiberstakenfromraworpartiallyprocessedcottonandsometypesofcottonwaste.1.3Thesetestmethodscontainthefollowingsections:1.4Thevaluesstatedinbothinch-poundandSIunitsaretoberegardedseparatelyasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.5ThistestmethodcoversthecomparisonofthecolorofrawcottonwiththeofficialstandardsoftheUnitedStatesDepartmentofAgricultureforColorGradeofcottonbymeansofacottoncolorimeteroftheNickerson-Huntertype.ItcanbeusedtomeasurethecolorofanytypeofrawcottonbutisparticularlyapplicabletoUplandandAmericanPimacotton,forwhichofficialgradeStandardshavebeenestablished.1.6Theinstrumentemploystheuseofaprogrammablemicroprocessorwithmemoryforcontrollinginternaloperationsandperformingrequiredcalibration,calculation,anddatapresentation.Note1Foranothermethoddescribingthemeasurementofthecolorofrawcotton,refertoTestMethodD2253.1.7Thistestmethoddescribesthemeasurementoftheamountoftrashasseenbyavideocamerafocusedonthesurfaceofatestspecimenofcottonpressedagainstaglasswindow.Note2Foranothermethoddescribingthemeasurementoftrashornon-lintcontentofcotton,refertoTestMethodD2812.1.8Theinstrumentmaybeincorporatedwithinthespaceoccupiedbyandadjacenttotheapparatustomeasurecolorofrawcotton(seeSections),thuspermittingsimultaneousmeasurementofcolorandtrashonthesametestspecimen.1.9Thistestmethoddescribesthedeterminationofthemicronaireofloosecottonbymeasuringtheresistanceofaplugofcottontoairflowunderprescribedconditions.Theinstrumentemploysaprogrammedmicroprocessorwithmemoryforcontrollinginternaloperationandperformingrequiredcalibration,adjustments,calculations,anddatapresentation.Foranothermethoddescribingthedeterminationofmicronaire,refertoTestMethodD1448.1.10Themeasurementoflengthandlengthuniformityismadebyoutputtingavoltagedirectlyproportionaltotheamountoffiberinthepreparedspecimenatagivendistancefromthebaseofthetestbeard.TheSpinlabsystemusesafibrograph-typephotoelectricalinstrument.TheMotionControlsystemusesalengthanalyzerpneumaticinstrument.Note3Foranothermethoddescribingthemeasurementofcottonfiberlength,refertoTestMethodD1447.1.11Thistestmethoddescribesthedeterminationofthebreakingtenacityandelongationatthebreakingforceofcottonfibersinatestspecimeninwhichfibershavebeenplacedrandomlyinaspecimencomborclampandbrokenusing(3.2-mm)1/8-in.clampspacing.Inthecottontextileindustry,thisphysicalpropertyisusuallycalled"strength".Note4Forothermethodscoveringthemeasurementofcottonfiberstrength,refertoTestMethodD1445.
【中国标准分类号】:W10
【国际标准分类号】:59_060_10
【页数】:8P.;A4
【正文语种】:


【英文标准名称】:PLASTICS.IMPACT-RESISTANTPOLYSTYRENE(PS-I)MOULDINGANDEXTRUSIONMATERIALS.PART2:PREPARATIONOFTESTSPECIMENSANDDETERMINATIONOFPROPERTIES.(EUROPEANSTANDARDENISO2897-2).
【原文标准名称】:塑料.耐冲击聚苯乙烯(PS-I)模塑和挤制材料.第2部分:试样制备和性能测定
【标准号】:NFT53-034-2-1999
【标准状态】:作废
【国别】:法国
【发布日期】:1999-10
【实施或试行日期】:1999-09-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:12P;A4
【正文语种】:其他