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n.o.s. = not otherwise specified meaning a collective entry to which substances, mixtures, solutions or articles may be assigned if a) they are not mentioned by name in 3.2 Dangerous Goods List AND b) they exhibit chemical, physical and/or dangerous properties corresponding to the Class, classification code, packing group and the name and description of the n.o.s. entry [2]
Halon 1301 is widely used by the U.S. Military [7] and NASA in a 2-3/4 lb portable extinguisher with a sealed, disposable cylinder for quick recharging. Other agents such as CO 2 and FE-36 (HFC-236fa) wet chemical are largely replacing halon 1301 for environmental concerns.
Bromochlorodifluoromethane (BCF), also referred to by the code numbers Halon 1211 and Freon 12B1, is a haloalkane with the chemical formula C F 2 Cl Br.It is used for fire suppression, especially for expensive equipment or items that could be damaged by the residue from other types of extinguishers. [1]
Dry chemical powder is used on all classes of fires. Dry chemical powder puts out the fire by coating the burning material with a thin layer of dust, thereby separating the fuel from the oxygen in the air. The powder also works to interrupt the chemical reaction of fire, so these extinguishers are extremely effective at putting out the fire.
In other words, a fast flow extinguisher expels a higher volume of agent in less time than a standard compliance flow extinguisher. As a result, fast flow extinguishers have lower UL class A&B ratings than compliance flow extinguishers (the class B numerical rating is the approximate square feet of burning fuel a novice operator could expect to ...
Fire extinguisher See Extinguisher above. Fire bike or firefighting motorcycle A motorcycle that is equipped to fight fires or used as support. Commonly used in Japan. Fire hose See also hose, below. Fire hydrant See hydrant. Fire pump a pump installed in a building specifically for sprinkler and standpipe water systems. Fire station alert system