Dry Powder fire extinguishers are recommended for mixed fire environments because they cover type A, type B and type C fires. They are especially suited for flammable liquids and fires involving flammable gases such as methane, propane, hydrogen and natural gas.
Dry powder fire extinguishers can work on most types of fire, and function by forming a barrier between the fuel and the oxygen source of a fire, smothering it.
Dry powder are good at putting out fires at speed and are appropriate for outdoor use. They are suited to chemical fires and also those involving flammable gases, liquids, or metals.
It would be recommended to have dry powder extinguishers in garages, storage facilities, workshops, and similar businesses. It is important not to use this type of extinguisher in enclosed spaces, due to the risk of inhalation.
When using a dry powder extinguisher: