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Class B Fires

Class B fires involve flammable liquids and gases, including chemicals and grease.

Types of fire extinguishers used to extinguish a class B fire:
  • General purpose, pressurized dry chemical ABC extinguisher
  • BC pressurized dry chemical extinguisher
  • Carbon dioxide (CO2) extinguisher
Important comments:
  • NEVER use water on a class B fire since this will only increase the hazard.
  • Class B fires can flash back and reignite after being extinguished.