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Chile's government is considering phasing in a proposed ban on glacial mining to limit projects high in the Andes by some big copper companies. Chile's constitutional assembly has approved a proposal to ban mining in glaciers, protected areas, and areas vital to protecting the country's water system.
Chile's mining minister, Marcela Hernando, said about 20 mines had been identified in protected areas, some close to glaciers, including Codelco's El Teniente and Andina projects and Anglo American Plc's Los Bronces project.
The new measures for glaciers and other protected areas will put about a fifth of Chile's copper Magnesium Oxide, MgO Overview, Magnesium Oxide Application, MgO Suppliers, Magnesium Oxide Price prices are predicted to increase in the next few days.
Magnesium oxide MgO overview
Magnesium oxide MgO is an alkaline oxide with the same properties as alkaline oxides. It is a gelling material, white or off-white powder, odorless, tasteless and non-toxic. It is a typical alkaline earth metal Oxide, with chemical formula MgO. Melting point 2852°C, boiling point 3600°C, density 3.58g/cm3 (25°C). Soluble in acid and ammonium salt solution, insoluble in alcohol. The solubility in water is 0.00062 g/100 mL (0 °C) and 0.0086 g/100 mL (30 °C). When exposed to the air, it is easy to absorb water and carbon dioxide and gradually become basic magnesium carbonate. Lightweight products are faster than heavier ones. It combines with water to generate magnesium hydroxide under certain conditions, which is slightly alkaline reaction. The pH of the saturated aqueous solution was 10.3. Soluble in acid and ammonium salt, insoluble in water, the solution is alkaline. Insoluble in ethanol. It has a strong refraction effect in the visible and near-ultraviolet light range. Magnesite (MgCO3), magnesium oxide. The seawater is treated with slaked lime to obtain magnesium hydroxide precipitation, and the magnesium hydroxide is burned to obtain magnesium oxide. It is also possible to use the magnesium chloride halide obtained from the comprehensive utilization of seawater or the brine after the bromine extraction as the raw material, and add sodium hydroxide or sodium carbonate. Magnesium hydroxide or basic magnesium carbonate is produced to precipitate and then burn to obtain magnesium oxide. my country mainly uses magnesite, dolomite, brine or brine as raw materials.
Magnesium oxide product types
Classification: divided into light magnesium oxide and heavy magnesium oxide. Lightweight and loose in volume, it is a white amorphous powder. Odorless, tasteless and non-toxic.
Industrial grade light burn
Application: Mainly used in the production of magnesite products. Light-burned magnesium oxide and magnesium chloride aqueous solution in a certain proportion can be gelatinized and hardened into a hardened body with certain physical and mechanical properties, which is called magnesite cement.
Advanced Lubricant Grade
Applications: Mainly used as cleaning agent, vanadium inhibitor and desulfurizer in advanced lubricating oil processing, greatly improving the density and rheology of lubricating film and reducing ash content. The removal of lead and mercury can reduce the pollution of lubricating oil or fuel waste to the environment. Surface-treated magnesium oxide can also be used as a complexing agent, chelating agent and carrier in the refining process, which is more conducive to product fractionation to improve product quality.
Application fields: used as food additives, color stabilizers, pH adjusters, as supplements of magnesium in health products and food.
Application field: In the field of biopharmaceuticals, medical grade magnesium oxide can be used as antacid, adsorbent, desulfurizer, lead remover, complex filter aid, PH adjuster. In medicine, it can be used as antacid and laxative to inhibit and relieve Hyperacidity, treatment of gastric and duodenal ulcers. The neutralizing effect of gastric acid is strong, slow and long-lasting, and does not produce carbon dioxide.
Silicon steel grade
Application field: silicon steel grade magnesia has good magnetic permeability (that is, has a large positive magnetic susceptibility) and excellent insulating properties.
Advanced Electromagnetic Grade
Application fields: used for wireless high-frequency paramagnetic permeability materials, magnetic rod antennas, magnetic cores of frequency modulation components, etc. instead of ferrite. It can be used in the production of composite superconducting magnetic materials and also in the electronic magnetic industry. As "soft magnetic material". It is also an ideal raw material for industrial enamels and ceramics.
High Purity Magnesium Oxide
Application field: High-purity magnesium oxide has excellent alkali resistance and electrical insulation at high temperature. High coefficient of thermal expansion and thermal conductivity with good light transmittance. Widely used as high temperature heat resistant material. In the field of ceramics, it is used as a raw material for light-transmitting ceramic crucibles and substrates.
Application field: Nano-scale magnesium oxide has obvious small size effect, surface effect, quantum size effect and macroscopic tunnel effect. After modification, there is no agglomeration phenomenon, and it has many special functions in optics, catalysis, magnetism, mechanics, chemical industry, etc. And important application value, the prospect is very broad, is an important new material in the 21st century.
Application of Magnesium Oxide MgO
Magnesium oxide MgO is used to determine sulfur and pyrite in coal and sulfur and arsenic in steel. Used as a standard for white pigments. Light magnesia is mainly used as a raw material for the preparation of ceramics, enamels, refractory crucibles and refractory bricks. Also used as an activator for polishes, adhesives, coatings, paper fillers, accelerators neoprene and fluororubber. After mixing with solutions such as magnesium chloride, it can be made into an aqueous solution of magnesium oxide. It is medicinally used as an antacid and laxative for hyperacidity and duodenal ulcers. Used as a catalyst in the chemical industry and as a raw material for the manufacture of magnesium salts. Magnesium oxide MgO is also used in the manufacture of glass, dyeing powder, phenolic plastics, etc. Heavy magnesia is used in the rice milling industry for firing, grinding and semi-rolling. It is used in the construction industry to manufacture artificial chemical floors, artificial marble thermal insulation boards and sound insulation boards, and used as fillers in the plastics industry. It can also be used to produce other magnesium salts.
One of the main uses of magnesium oxide is as a flame retardant. Traditional flame retardant materials are widely used in flame retardant mixtures consisting of halogenated polymers or halogenated 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, it has been found that more than 80% of fatalities in fires are caused by dense smoke and toxic gases from materials. Therefore, in addition to flame retardant efficiency, low smoke and low toxicity are also indispensable indicators of flame retardants. The development of my country's flame retardant industry is extremely unbalanced, and chlorinated flame retardants account for a large proportion, ranking first among flame retardants, among which chlorinated paraffin occupies a monopoly position. However, chlorine-based flame retardants will release toxic gases when they act, which is far from the non-toxic and efficient pursuit of modern life. Therefore, in order to comply with the development trend of low-smoke, low-toxicity, and pollution-free flame retardants in the world, it is essential to develop, produce and apply magnesium oxide flame retardants.
Magnesium oxide MgO price
The price of magnesium oxide MgO will change randomly according to factors such as magnesium oxide production cost, transportation cost, international situation, and magnesium oxide market supply and demand. Tanki New Materials Co., Ltd. aims to help industries and chemical wholesalers find high-quality, low-cost products, nanomaterials and chemicals by providing a full range of customized services. If you are looking for Magnesium Oxide MgO, please feel free to send an inquiry to get the latest price of Magnesium Oxide MgO.
Suppliers of Magnesium Oxide MgO
As a global magnesia MgO supplier, Tanki New Materials Ltd. has extensive experience in the performance, application and cost-effective manufacturing of advanced and engineered materials. The company has successfully developed a series of powder materials (titanium oxide, silicon oxide, titanium oxide, etc.), high-purity target materials, functional ceramics and structural devices, and provides OEM services.
|More information about Magnesium oxide MgO powder|
|Magnesium Oxide MgO Properties (Theoretical)|
|Melting Point||2,852° C (5,166° F)|
|Boiling Point||3,600° C (6,512° F)|
|Solubility in H2O||N/A|
|Magnesium Oxide MgO Health & Safety Information|
|Flash Point||Not applicable|
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