IEC and ISO Test Methods Thickness Test NameTest MethodUnitsTested (mm)Value FlammabilityIEC 60695-11-10, IEC 60695-11-20Class (color)1.5V-0 (ALL) 2.55VA (ALL) 3.0V-0 (ALL) Glow-Wire Flammability (GWFI)IEC 60695-2-12C-- Glow-Wire Ignition (GWIT)IEC 60695-2-13C-- ...