Designation:D3519–88(Reapproved2002)AnAmericanNationalStandardStandardTestMethodforFoaminAqueousMedia(BlenderTest)1ThisstandardisissuedunderthefixeddesignationD3519;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthemeasurementoftheincreaseinvolumeofalow-viscosityaqueousliquid(lessthan3cStat40°C)duetoitstendencytofoamunderhighshearconditions.NOTE1—FoamunderlowsheariscoveredbyTestMethodD3601.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecificsafetyinformation,see7.16.2.ReferencedDocuments2.1ASTMStandards:D1126TestMethodforHardnessinWater2D3601TestMethodforFoamInAqueousMedia(BottleTest)33.SummaryofTestMethod3.1Theincreaseinvolumeisdeterminedbytheincreaseintotalheightoftestfluidincludingfoamafterblendingfor30susingacommercial-typeblenderwithglassjar(seeNote2)at2561°C(7761.8°F)agitatingbetween4000and13000rpm.Thepreferredrangewouldbe800061000rpm.4.SignificanceandUse4.1Theresultsobtainedbythetestmethoddescribedareusefulasguidesindeterminingthetendencyofawater-basedmetalworkingcoolanttoproducefoamunderhighshearconditions.Nocorrelationwithchangesinheattransfer,pumpability,orotherfactorsaffectedbyfoamisintended.Thefoamproducedbyanygivenindustrialprocessdependsonthemethodbywhichthefoamisgeneratedandmaynotbedirectlyproportionaltothatproducedbythiscarefullycontrolledlaboratorytestmethod.Further,thefoamgeneratedatthespecifiedtesttemperaturewillnotnecessarilypredictthefoamingtendencyoftheliquid(thatis,metalworkingcoolant)atsomeot...
