抄録
Special fire, occurred by oil or chemicals violently, injury many persons, and damage is too much more than ordinary fire. In this view point, the fire hazard of these flammable liquids that is dealt as accommodations or in manufacturing processes must be thought as special case. This report is trial to express the fire hazard of flammable liquids quantitatively. The number expressing each fire hazard is calculated and each hazard of several flammable liquids is compared by using these numbers.