Model B570 contains a special blended Sodium Chloride based dry powder extinguishing agent. Heat from the fire causes it to cake and form a crust excluding air and dissipating heat from burning metal. Metal fires involving magnesium, sodium, potassium and sodium-potassium alloys can be successfully extinguished with this extinguisher. There is data showing that zirconium, uranium, titanium, and powdered aluminum fires can be controlled and extinguished with this unique extinguisher.
Magnesium Chips: 4 ft and/or 6 lbs. of metal
Sodium or Potassium Spill: 5 ft and/or 5 lbs.of metal
Sodium or Potassium Spill Depth Over 1/2": 3 ft and or 6 lbs. of metal Sodium Potassium Alloy Spil: 3 ft and/or 2 lbs. of metal
Note: All extinguishers are USCG approved with bracket listed on UL label.