电工电子产品着火危险试验 第12部分：灼热丝/热丝基本试验方法 材料的灼热丝可燃性指数（GWFI）试验方法

Fire hazard testing for electric and electronic products—Part 12: Glowing/hot-wire based test methods—Glow-wire flammability index (GWFI) test method for materials