| Message: | Preparation of natural brucite powder magnesium hydroxide
As a new type of inorganic additive flame retardant, magnesium hydroxide is now widely used in wire and cable, rubber, chemical, building materials, plastics and electronics, unsaturated polyester and polymer materials such as paints and coatings. Especially for mine air duct coating cloth, PVC whole core conveyor belt, aluminum composite panel, flame retardant tarpaulin, PVC wire and cable compound, mining cable sheath, cable accessory, smoke suppressant and antistatic. It can replace aluminum hydroxide and has excellent flame retardant effect.
At present, magnesium hydroxide flame retardants are classified into natural brucite magnesium hydroxide and high-purity synthetic magnesium hydroxide according to different raw materials. As a professional magnesium hydroxide manufacturer in China, Top Chemical has been dedicated to studying the preparation of high-purity superfine magnesium hydroxide in recent years.
Brucite magnesium hydroxide:
Natural magnesium hydroxide is made of brucite, and the brucite mine is mainly abundant in the United States, Russia, Canada, North Korea, Norway, China, etc. China's brucite is widely distributed, with the best quality of ore in Liaoning Province. The brucite material of Top Chemical is also from Liaoning. We have a good relationship with the mine owners to ensure a stable raw materials supply.
After the brucite mine arrives at our factory, we will use the Raymond mill for the first crushing, from the ore to the powder of 100-200 mesh, and then through the airflow crusher for the second crushing. After that, the particle size 3 micron can meet customer's requirements. Then, iron removal and silicon removal will be operated to increase the purity of magnesium hydroxide, and finally the surface treatment is done according to customer’s request. The top self-developed an efficient surface treatment method, which greatly improves the modifica......url:http://www.magnesiumhydroxides.com |
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