Featured image of post Class B Dry Chemical Fire Extinguisher : Dry chemical extinguishers put out fire by coating the fuel with a thin layer of dust, separating the fuel from the oxygen in the air.

Class B Dry Chemical Fire Extinguisher : Dry chemical extinguishers put out fire by coating the fuel with a thin layer of dust, separating the fuel from the oxygen in the air.

The label colour for this type of extinguisher is yellow.