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Carbon dioxide fire extinguisher

 Carbon dioxide fire extinguisher

  • Carbon dioxide (CO2) extinguishers are used for Class A, B, and C fires, extinguishing the fire by depriving it of oxygen.
  •  Additionally, like water-type extinguishers, CO2 cools the burning material. Never use CO2 on Class D fires.
  • As with water extinguishers, the cooling effect of CO2 on the hot metal can cause explosive expansion of the metal.
  • When using CO2 fire extinguishers, all parts of the extinguisher can become extremely cold, and remain so for a short time after the operation.
  •  Wear protective equipment or take other precautions to prevent cold injury, such as frostbite. Extreme caution must be used when operating CO2 fire extinguishers in closed or confined areas.
  • Not only can the fire be deprived of oxygen, but so too can the operator.

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