~~Designation:04805-86AMERICANSOCIETYFORTESTINGANDMATERIALS1916RaceSI.,Philadelphia.Pa.19103Reprinted.fromtheAnnualBookofASTMStandards,CopyrightASTMIfnotlistedInthecurrantcombinedindex.willappearInthenextedition.StandardTestMethodsforMEASUREMENTOFCOTTONFIBERSBYHIGHVOLUMEINSTRUMENTS(HVI)(SPECIALINSTRUMENTSLABORATORYSYSTEM)1Thisstandardisissuedunderthefixeddesignation04605:thenumberimmediatel~'rollowingthedesignationindicatestheyearororiginaladoptionor.inthecaseofrevision.theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreappro\al.Asuperscriptepsilon(.)indicatesaneditorialchangesincethelastre"isionorreapprova!.I.Scope1.1Thesetestmethodscoverthemeasure-mentoflength.lengthuniformity.strengthandelongation.micronairereadings.andcolorofcottonfibersbyaseriesofinterconnectedinstru-ments.Thesemethodsareapplicabletoloosefiberstakenfromraworpartiallyprocessedcot-tonandsometypesofcottonwaste.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandardcontainsthefollowingsec-tions:SectionsBreakingTenacityofColtonFibers........17-27ElongationatBreakofColtonFibers.......17-:!7ColorofCoUon........................39-49LengthofCoUonFibers.................6-16MicronaireReadingofCoUDnFibers.......28-38TrashContentofSamplesofCOllonFibers..50-60UniformityofLengthorCollonFibers.....6-161.4Thisstandardma...im'o/"eha:ard(//;.'Ima-lerials,operations.andeqllipm£'lII.ThisstalldarddoesI/otpllrporl/cJaddressall11t'1l/('.Wl/('I,I'l'roh-it'msassocialedlI'itl1ilslise.IIi.l·ther('spollsihil-il,l'(!/'IheIIser(1/'111isstllndardtoestablishllPJI/'(/-wialesqli.'I.\·andirf!afl/rwac/ic('sandd('lermilll'Iheapplicability11/'reKlilalor,l'/imifCllitmspriorIIIlIS('.2.ReferencedDocuments2.1ASTMSiandards:D123TerminologyRelatingtoTextiles2D1441RecommendedPracticeforSamplingCottonFibersforTesting)D1445TestMethodforBreakingStrengthandElongationofCottonFibers(AatBun-dleMeth'Od)3D1447TestMethodforLengthUniformityofCottonFibersbyFib...