Designation:D3330/D3330M−04(Reapproved2010)StandardTestMethodforPeelAdhesionofPressure-SensitiveTape1ThisstandardisissuedunderthefixeddesignationD3330/D3330M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thesetestmethodscoverthemeasurementofthepeeladhesionofpressure-sensitivetapes.1.1.1TestMethodAgivesameasureoftheadherence,whenpeeledat180°angle,toastandardsteelpanelortoothersurfaceofinterestforasingle-coatedtape.1.1.2TestMethodBgivesameasureoftheadherencetothebackingofasingle-coatedtape.1.1.3TestMethodCgivesameasureoftheadherenceofdouble-coatedtapetoastandardsteelpanelorothersurfaceofinterest.1.1.4TestMethodDgivesameasureoftheadherenceofthereleaselinertotheadhesiveofeithersingle-ordouble-coatedtape.1.1.5TestMethodEgivesameasureoftheadherenceofanadhesivetransfertapetoastandardsteelpanelorothersurfaceofinterest.1.1.6TestMethodFgivesameasureoftheadherence,whenpeeledat90°angle,toastandardsteelpanelorothersurfaceofinterestforasingle-coatedtape.1.2Thesetestmethodsprovideameansofassessingtheuniformityoftheadhesionofagiventypeofpressure-sensitiveadhesivetape.Theassessmentmaybewithinarolloftape,betweenrolls,orbetweenproductionlots.1.3Variationsineitherthetapebackingortheadhesive,orboth,affecttheresponse.Therefore,thesetestmethodscannotbeusedtopinpointthespecificcause(s)ofnon-uniformity.1.4Thesetestmethodsmaynotbeappropriatetotesttapeshavingrelativelystiffbackings,stiffliners,orbackingsshow-inghighstretchatlowforces.Thesecharacteristicswillresultinahighvariabilityforthetestresponsewhichisnotatrueindicationoftherealnatureoftheadhesivebond.1.5ValuesstatedineitherSIorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents,therefore,eachsystem...
