Designation:D7710−14StandardTestMethodforDeterminationofVolumeandDensityofRigidandIrregularlyShapedMoldedCellularMaterials1ThisstandardisissuedunderthefixeddesignationD7710;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodisusedtodeterminethevolumeanddensityofirregularlyshapedmoldedproducts.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.NOTE1—ThereisnoknownISOequivalenttothisstandard.2.ReferencedDocuments2.1ASTMStandards:2E691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod3.SummaryofTestMethod3.1Thistestmethodisusedtodeterminethevolumeofirregularshapedmaterials.Itusesdisplacementvolumetestingtodeterminethevolumeoccupiedbyaspecimen.Thistestmethodisusedonmaterialsthatdonotcompresseasily.Moldedflexibleandsemi-rigidpolyurethanefoamaretheprimaryapplicationforthistestmethodalthoughitispossibletherewillbeotherusesforthistestmethod.4.SignificanceandUse4.1Thetestprocedureprovidesastandardmethodofobtainingdataforresearchanddevelopment,qualitycontrol,acceptanceandrejectionunderspecificationsandforspecialpurposes.4.2Thedataobtainedbythistestmethodisapplicabletothematerialundertheconditionsofthisparticulartestandarenotnecessarilythesameasobtainedunderotherenvironmentsinuse.5.Interferences5.1Successfulapplicationofthistestmethodisdependentontheabilityofthemediatosurroundthetestsamplepositionedinthetestvesselandfillinalltheopenspace.6.Apparatus6.1TestvesselconstructedasoutlinedinSection10.7.ReagentsandMaterials7.1Low-densi...