史上最全的UL94标准介绍

UL94UL94TestforFlammabilityofPlasticMaterialsforPartsinDevicesandAppliancesCONTENTS()•Foreword()•Introduction()•Tests()•Marking()•Supplement()ScopeScope••••Tests(Tests())•(1).HorizontalBurningTest;HB94HBA.Testspecimens()1.,,,,,.2.1255mm13.00.5mm3.0(-0.0+0.2)mm3mm3.0mm3.0mm,13.0mm,13.5mm,1.3mm2.B.Precondition()23250548h(2).VerticalBurningTest;V-0,V-1,orV-2(V-0,V-1,V-2)A.Testspecimens()1.,,,,,.2.1255mm13.00.5mm;13.0mm,,,3.2mm;1.3mmB.Precondition()•1.232,50548h.•2.701168h,,4h.•C.•(3).500w(125mm)VerticalBurningTest;5VAor5VB(5V)A.Testspecimens()1.:,,,,,.2.:,1255mm13.00.5mm,;:1505mm1505mm,,,,13mm,1.3mmB.Precondition()1.232,50548h.2.701168h,,4h.•C.(4).RadiantPanelFlameSpreadTest()A.Testspecimens()1.::(4603mm)(1503mm),.,.2.:•B.(5).ThinMaterialVerticalBurningTest;VTM-0,VTM-1,orVTM-2()A.Testspecimens()1.2005mm,501mm.125mm,12.70.5mm,200mm,125mm,,75mm125mm.•2.,,U,,.•B.Precondition()•1.232,50548h.•2.701168h,,4h.•C.(6).HorizontalBurningFoamedMaterialTest;HBF,HF-1,orHF-2()A.Testspecimens()1.1505mm,501mm,.13mm,,2mm,.2..3.,4.,•B.Precondition()•1.232,50548h.•2.701168h,,4h.•C.Marking(Marking(//))••A.•B.TheEnd