How to fight aluminum powder when spontaneous combustion

Aluminum powder insurance powder is four types of dangerous goods. Aluminum powder, also known as sodium hydroxide powder, is a white sandy crystal or light yellow powder chemical product. It has a melting point of 300°C (decomposition) and an ignition temperature of 250°C. It is insoluble in ethanol, soluble in sodium hydroxide solution, and occurs in water. Reacts violently and burns.

1. After the spontaneous combustion of aluminum powder sulphuric acid powder, do not use water to extinguish the fire. The correct way is to lightly cover with dry sand to prevent continued burning.
2. If the aluminum powder is spontaneously combusted with direct water to extinguish the fire, it will cause the aluminum powder to fly. When the flying aluminum powder reaches a certain level, it will explode when it encounters a fire.
3. Similarly, foam fire extinguishers and dry powder fire extinguishers are all fire extinguishers with higher pressure, which will also cause the aluminum powder soot to fly, which is dangerous.
4. If there is too much aluminum powder, it may cause the aluminum powder to fly up again and cause a second explosion. This kind of explosion is called a sabotage explosion. It is recommended not to accumulate too much aluminum powder and insurance powder.