Uses of Magnesium Oxide

2021-02-04 10:47

Magnesium oxide (chemical formula: MgO) is magnesium oxide, an ionic compound. It is a white solid at room temperature. Magnesium oxide exists in nature in the form of periclase and is a raw material for smelting magnesium.


One of the main uses of magnesium oxide is as a flame retardant. Traditional flame retardant materials are widely used in flame retardant mixtures composed of halogen-containing polymers or halogen-containing flame retardants. However, once a fire occurs, due to thermal decomposition and combustion, a large amount of smoke and toxic corrosive gases will be generated, which will hinder fire fighting and personnel evacuation, and corrode equipment and equipment.


In particular, people have found that more than 80% of fatalities in fires are caused by dense smoke and toxic gases produced by materials. Therefore, in addition to flame retardant efficiency, low smoke and low toxicity are also indispensable indicators for flame retardants. The development of China's flame retardant industry is extremely unbalanced. The proportion of chlorinated flame retardants is relatively large, ranking first among all flame retardants, among which chlorinated paraffins occupy a monopoly position. However, chlorine-based flame retardants release toxic gases when they act, which is a long way from the non-toxic and high-efficiency pursued by modern life. Therefore, in order to comply with the development trend of low smoke, low toxicity and pollution-free flame retardants in the world, the development, production and application of magnesium oxide flame retardants are imperative.