Shanghai powder fire extinguishers Manufacturers of suppliers

Tel: 021-63574251 15900885584 Fang welcome you to inquire! Dry powder fire extinguisher in the filling is ammonium phosphate dry powder fire extinguishing agent. Powder extinguishing agent is dry and easy flowing fine powders for fire fighting, fire-fighting effectiveness of the inorganic salts and having a small amount of dry powder fire extinguishers dry powder fire extinguisher additive is dried, crushed and mixed fine solid powder composition. It is a widely used fire extinguishing agent in fire protection, and mainly used in fire extinguishers. In addition to fighting metal fires special dry chemical extinguishing agent, powder extinguishing agent is generally divided into BC powder extinguishing agent (sodium bicarbonate) and ABC powder (ammonium salt) two categories. First, the inorganic powder by volatile decomposition, and combustion of fuel produced free radicals or reactive groups chemical suppression and negative catalytic combustion chain reaction interruption fire; the second is by dry powder powder falls on combustible surface, the chemical reaction, and a layer of glassy cover layer is formed under high temperature and thus cut off oxygen, and then suffocate the fire. In addition, there are some dilution of oxygen and cooling.