Designation:C1312−97(Reapproved2012)StandardPracticeforMakingandConditioningChemical-ResistantSulfurPolymerCementConcreteTestSpecimensintheLaboratory1ThisstandardisissuedunderthefixeddesignationC1312;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversproceduresformakingandcondi-tioningtestspecimensofchemical-resistantsulfurpolymercementconcrete(SC)inthelaboratory.Thespecimensarecastunderaccuratecontrolofmaterialsandtestconditionsusingaggregateandsulfurpolymercement(SPC)tomakeSCthatcanbeconsolidatedbyrodding,asdescribedinthispractice.1.2Sulfurpolymercementmaybefurnishedasasingleormultiplecomponentsystem.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C470/C470MSpecificationforMoldsforFormingConcreteTestCylindersVerticallyC904TerminologyRelatingtoChemical-ResistantNonme-tallicMaterials2.2NationalInstituteofStandardsandTechnology:Handbook44:Specifications,TolerancesandOtherTechni-calRequirementsforWeighingandMeasuringDevices33.Terminology3.1Definitions—Fordefinitionsoftermsusedinthispractice,refertoTerminologyC904.4.SignificanceandUse4.1ThispracticeisformakingspecimensofSCinastandardwaysothatcomparativetestingcanbeperformedbyvariousproducersandusers.Useofthispracticetopreparespecimensforlaboratorytestingwillreducevariabilitythatmightbeintroducedbydifferentmethodsofcastingandbytheuseofavarietyofspecimenshapesandsizes.5.Apparat...