Designation:D3708–88(Reapproved2000)AnAmericanNationalStandardStandardTestMethodforWeightofWaxAppliedDuringCurtainCoatingOperation1ThisstandardisissuedunderthefixeddesignationD3708;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoftheweightofhotmeltcoatingappliedtocorrugatedboardbycurtaincoating.Itisintendedtobeusedforroutineprocesscontrolintheplant.NOTE1—Relatedmethodsfordeterminingtheweightofwaxcoatingincludethefollowing:TestMethodD3521;TestMethodD3522,andTestMethodD3344.21.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandardmayinvolvehazardousmaterials,opera-tions,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D3344TestMethodforTotalWaxContentofCorrugatedPaperboard2D3521TestMethodforSurfaceWaxCoatingonCorru-gatedBoard2D3522TestMethodforAppliedCoatingWaxandImpreg-nating(Saturating)WaxinCorrugatedBoardFacing23.Terminology3.1Definitions:3.1.1waxloading—theweightofwaxpresentprimarilyasasurfacefilmbutincludingtheminorpartembeddedinthesurfacefibersofcorrugatedboard.Itisexpressedasweightperunitarea,usuallyingramspersquaremetreorpoundsperthousandsquarefeetofboard.4.SummaryofTestMethod4.1Theamountofwaxappliedtocorrugatedboardbymeansofacurtaincoaterisdeterminedbyattachingafoldedsheetofpapertoproductioncorrugatedboard,runningthecombinationthroughthecurtaincoater,andsubsequentlydeterminingtheappliedweightofwaxonthesheetofpaper.5.SignificanceandUse5.1Waxcoatingsareappliedtocorrugatedboardtoprovideabarrieragainstmoistureorother...
