Designation:D2118−05(Reapproved2009)StandardPracticeforAssigningaStandardCommercialMoistureContentforWoolandits’Products1ThisstandardisissuedunderthefixeddesignationD2118;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticerecommendsthatasinglevaluebeadoptedforthecommercialmoisturecontentofwoolinanyofthefollowingforms:1.1.1Scoured,1.1.2Carbonizedandneutralized,1.1.3Noils,uncarbonized,1.1.4Top,oilordrycombed,1.1.5Yarn,worsted,1.1.6Yarn,woolen,1.1.7Yarn,handknitting,or1.1.8Fabric.1.2Limitations—Greasewool,pulledwool,andwoolwithpHbelow5.0areexcludedfromthispractice.1.3Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextilesD584TestMethodforWoolContentofRawWool—LaboratoryScaleD1909StandardTableofCommercialMoistureRegainsforTextileFibersD2720PracticeforCalculationofCommercialWeightandYieldofScouredWool,Top,andNoilforVariousCom-mercialCompositionsD4845TerminologyRelatingtoWool3.Terminology3.1Fordefinitionsoftextiletermsusedinthispractice:carbonizedandneutralizedwool,commercialmoisturecontent,wool,refertoTerminologyD4845.3.2Forthedefinitionofwoolandothertextiletermsusedinthispractice,refertoTerminologyD123.4.SignificanceandUse4.1ThepurposeofthispracticeistobringaboutuniformityofcommercialmoisturestandardsinallASTMspecificationsrelatingtowoolanditsproducts.4.2Thispracticeprovidesarecommendedsinglevalueforastandardizedcommercialmoisturecontentforwoolanditsproducts.Thisavoidsdifficultiesencounteredincalculatingtheamountofmoisture-freefiberpresentinagivenmassofwoolinanyoneoftheformslistedin1.1.1to1.1.8du...
