Designation:D378−10StandardTestMethodsforRubber(Elastomeric)ConveyorBelting,FlatType1ThisstandardisissuedunderthefixeddesignationD378;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethods(andreferences)covertheproce-duresforevaluatingthephysicalpropertiesofflatconveyorbelting.Performancecriteriaforbeltingwillnotbedetailedhere,butcanbefoundthroughtheRMA(RubberManufactur-ersAssociation)ConveyorandElevatorBeltHandbook,ANSI(AmericanNationalStandardsInstitute),variousgovernmentalauthorities,andtheInternationalOrganizationforStandardiza-tion(ISO).Beltingforconveyingandelevatingmaterialsgenerallyisdesignatedanddefinedasfollows:1.1.1HeavyDutyConveyor—Aheavydutybeltisdefinedasbeltingdesignedforbulkhaulageofmaterials,suchasstone,crushedrock,sand,metalsores,coal,woodchips,etc.,andhasacarcassstrength(design)substantialenoughtowithstandconveyorsystemtensionsof160PIW2(poundsperinchofwidth)andabove.1.1.2LightDutyConveyor—Alightdutybeltisdefinedasbeltingdesignedforconveyingavarietyoflowerweight(density)materials,packages,industrialandelectronicgoods,andfoodproducts.Thesebeltsoftenareshorterinlengthandwidth,withlessoverallthicknessthanheavydutybelting,andaregenerallyusedinconveyorsystemswithtensionslessthan160PIW.1.1.3GeneralDescription—Beltingcanhaveelastomericcoveringsononeside,bothsides,orneithersidedependinguponthespecificapplicationrequirements.Beltcoveringsarecomprisedofvarioussyntheticornaturalrubberpolymers,PVC,orotherelastomericmaterials,dependentuponapplica-tionorcustomerrequirements.Thestrength(loadbearing)member(s)ofmostbeltinggenerallyisawovenorinterwovencarcassofsyntheticornaturalfibers,suchas,butnotlimitedto,polyester,nylon,polyaramideandcotton,aswellassteel(cable/cordtypeorwovenmesh).1.2Thisstandarddoesnotpurporttoaddressalloftheappli...
