When should you use a Class D extinguisher?

A Class D extinguisher is specifically designed to combat fires involving combustible metals, which include substances like magnesium, titanium, and sodium. These metals have unique burning characteristics and can react violently with water or certain extinguishing agents. Using a Class D extinguisher ensures that the proper extinguishing agent is utilized to safely and effectively suppress these types of fires.

Class D extinguishers contain dry powder agents that smother the fire by separating the fuel from the oxygen or by forming a protective barrier over the burning metal surface. This is a critical factor in controlling and extinguishing such fires, as improper extinguishing methods can exacerbate the situation. Understanding the specific applications of fire extinguishers is essential for effective fire safety and prevention measures.