IEC Glow Wire Flammability Temperature (GWFI)熱引燃線火燄溫度 - in accordance with IEC 695-2-1/2, is expressed as the highest temperature (in degrees C) at which, during three subsequent tests, flaming or glowing of the test specimen extinguish within 30 seconds after removal of the glow-wire without ignition of the indicator by burning drips or particles.