유의어 Fire resistance, 내화성능, 내화특성, Fire resistance performance, fire-resistance, 내화성, fire performance, Fire Resistant, 화재거동, Fire Resistance Efficiency, 화재저항성, Fire-resistant, Fire-resistant Performance, 화재 거동, Fireproof performance, 내화구조, Fire Resistant Performance, Fire-Performance, 화재저항, Fire-resistance capacity, 방염제, Oil stain, fireproof certification