Designation:D3738−84(Reapproved2010)StandardSpecificationforRubber-CoatedClothHospitalSheeting1ThisstandardisissuedunderthefixeddesignationD3738;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thisspecificationcoversrubber-coatedclothsheetingintendedforuseintheprotectionofmattressesonhospitalbeds.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsportion,Section9,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimita-tionspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D573TestMethodforRubber—DeteriorationinanAirOvenD751TestMethodsforCoatedFabricsD3393SpecificationforCoatedFabrics—Waterproofness2.2U.S.GovernmentDocument:3FoodandDrugAdministration,CodeofFederalRegula-tions,Title21,Part177orPart1823.OrderingInformation3.1Ordersforrubber-coatedclothsheetingshouldspecifyinthecontractorpurchaseorderthefollowinginformation:3.1.1Quantityofclothperfinishedroll(6.1),3.1.2Samplesizeandfrequencyfortesting(7.1),3.1.3Certification(11.1),3.1.4Markingnecessity(12.1),and3.1.5Specialpackaging(13.1).4.MaterialsandManufacture4.1Materials:4.1.1Thebaseclothshallbehospitalsheetingwovenfromcottonyarn,syntheticyarn,orablendofcottonandsyntheticyarn.4.1.2Thecoatingcompoundshallbenaturalrubber,syn-theticrubber,oramixtureofnaturalandsyntheticrubberssuitablyformulatedandcoloredwithawhitepigmenttomeettherequirementsofthisspecification.4.2Manufacture—Thebasecloth(4.1.1)shallbecoateduniformlyonbothsideswithequalamountsofthecoatingcompound(4.1.2).Thecoatedfab...
