This is a very effective and versatile method of fighting fire, and when used knocks down the flames and on burning solids melts to form a skin, inhibiting the supply of oxygen and smothering the fire.
The major drawback in using this type of extinguisher is the mess factor. The extremely fine dust can spread everywhere, covering everything and can be difficult to clean up – sometime causing more damage than the fire itself. When inhaled it can also be mildly irritant.
Despite this is has some admirable properties and is ideal for vehicles, boats, warehouses, plant rooms, workshops and building sites.
