Designation:C1355/C1355M−96(Reapproved2015)StandardSpecificationforGlassFiberReinforcedGypsumComposites1ThisstandardisissuedunderthefixeddesignationC1355/C1355M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversglassfiberreinforcedgypsum(GRG)compositeshavingminimumpropertiesandqualitysuitabletoallowtheproductionofGRGpartsfornon-loadingbearing,thinsection,ornamentalshapesforarchitecturalembellishmentofinteriorbuildingconstruction.1.2Thevaluesstatedineitherinch-poundunitsorSI(metric)aretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemshallbeindependentoftheother.Valuesfromthetwosystemsshallnotbecombined.1.3Thetextofthisstandardreferencesfootnoteswhichprovideexplanatorymaterial.Thesefootnotesshallnotbeconsideredasrequirementsofthestandard.2.ReferencedDocuments2.1ASTMStandards:2C11TerminologyRelatingtoGypsumandRelatedBuildingMaterialsandSystemsC472TestMethodsforPhysicalTestingofGypsum,Gyp-sumPlastersandGypsumConcreteC473TestMethodsforPhysicalTestingofGypsumPanelProductsC947TestMethodforFlexuralPropertiesofThin-SectionGlass-Fiber-ReinforcedConcrete(UsingSimpleBeamWithThird-PointLoading)D256TestMethodsforDeterminingtheIzodPendulumImpactResistanceofPlasticsD578SpecificationforGlassFiberStrandsD696TestMethodforCoefficientofLinearThermalExpan-sionofPlasticsBetween−30°Cand30°CwithaVitreousSilicaDilatometerD2583TestMethodforIndentationHardnessofRigidPlas-ticsbyMeansofaBarcolImpressorE84TestMethodforSurfaceBurningCharacteristicsofBuildingMaterialsE136TestMethodforBehaviorofMaterialsinaVerticalTubeFurnaceat750°C3.Terminology3.1Definitions:DefinitionsoftermsshallbeinaccordancewithTerminologyC11.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1GRGcomposite,n—athinsectionlaminatemadef...
