Designation:D276−12StandardTestMethodsforIdentificationofFibersinTextiles1ThisstandardisissuedunderthefixeddesignationD276;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.INTRODUCTIONMethodsD276–62T,IdentificationofFibersinTextileswerediscontinuedin1969becausetheresponsiblesubcommitteefailedtorecommendadoptionasstandardafterseveralyearspublicationasatentative.Thesubcommitteeactionwasbasedonthemembers’knowledgethatthestandarddidnotincludeseveralfibertypesintroducedtothetextiletradeafterthemethodswerepublished,andthatthetechniquesrequiredtoidentifythesefiberswerelackinginthetext,sothatthetexthadbecomeoutofdate.Reinstatementasastandardusingthepreviouslyassigneddesignationwasrequestedsincethelistedprocedureswerereliableandthetextwasconsideredtobethebestavailable,thoughnotall-inclusive.Extensiveeditorialchangesweremadeinvarioussectionsin1972,andthemethodswerereinstatedasD276–72.Themethodshavebeenrevisedcompletely,emphasizinginfraredspectroscopictechniquesforidentifyingman-madefibertypes.Methodsfordeterminingseveralphysicalpropertiesandsolubilitydatausefulforconfirminginfraredspectralidentificationshavebeenincluded.Thelongitudinalandcross-sectionphotographsofthevariousfibershavebeenomittedsincetheyarepublishedelsewhereandtheusefulnessforidentificationislimited.Extensiveeditorialchangeshavebeenmadethroughoutthetext.AATCCTestMethod20wasfirstpublishedin1947andhasbeenrevisedorreaffirmedonaregularbasissincethattime.ThemostcurrentversionisAATCC“TestMethod20–2011”2.1.Scope1.1ThesetestmethodscovertheidentificationofthefollowingtextilefibersusedcommerciallyintheUnitedStates:Acetate(secondary)NylonAcrylicNytrilAnidexOlefinAramidPolycarbonateAsbestosPolyesterCottonRamieCuprammoniumrayonRayon(visco...
