Firefighters are required to wear air-carrying breathing apparatus and full-body firefighting suits to extinguish fires in the upwind direction. Move containers from the fire to an open area as much as possible. Containers in the middle of a fire must be evacuated immediately if they have changed color or emitted a sound from the safety pressure relief device. Isolate the scene of the accident and prohibit unrelated personnel from entering. Collect and treat fire water to prevent environmental pollution.
Lightweight magnesium hydroxide has the characteristics of non-flammability and easy texture, and can be used for thermal insulation, high temperature resistant fireproof insulation materials. Asbestos lightweight magnesium hydroxide is an excellent insulating material used in sectors such as shipbuilding and boiler making. It can also be used in the manufacture of glass products, magnesium salts, pigments, paints, fireproof coatings, printing inks, ceramics, cosmetics, toothpaste and other daily chemicals and pharmaceutical products.
Magnesium hydroxide is made by calcining magnesite as the main raw material in a traditional carbonization kilnAfter filtering to remove the impurities in the iron hydroxide, the soluble magnesium hydroxide is added, and the concentration of 25% to 28% ammonia brine is added at the same time, and the magnesium hydroxide is generated after dilution and pyrolysis for 15 hours.
Magnesium hydroxide is a flame retardant that integrates the three functions of flame retardant, smoke suppression and filling, and has attracted more and more attention from researchers because it is non-toxic, non-corrosive, has good stability, does not produce toxic gases at high temperatures, and is extensive. In recent years, it has become an important environmentally friendly inorganic flame retardant in tobacco reduction, smoke suppression, flame retardant and other aspects.
The addition of synergistic flame retardant can effectively improve the flame retardant efficiency of magnesium hydroxide, reduce the amount of flame retardant and the molten droplet phenomenon during polymer combustionMoreover, it can improve the mechanical properties of flame retardant materials to a certain extent. Common magnesium hydroxide flame retardant synergists include aluminum hydroxide, organosilicide, red phosphorus and phosphide, zinc borate, melamine urcyanate, graphite, layered metal double hydroxide, organic clay, rubber, multi-walled carbon nanotubes, etc.