Analysis of unique product performance and application of magnesium hydroxide
What are the characteristics of magnesium hydroxide? It is an alkaline oxide, can react with water, magnesium hydroxide generated insoluble in water magnesium hydroxide, with acid reaction to generate magnesium salt, magnesium oxide used as fireproof refractory materials, such as magnesium brick, crucible, used as pigment modulation paint and cosmetics
Magnesium hydroxideIt is a kind of alkaline oxide, can react with water, magnesium hydroxide generated insoluble in water magnesium hydroxide, with acid reaction to generate magnesium salt, magnesium oxide used as fireproof refractory materials, such as making magnesium brick, crucible, used as pigment modulation paint and cosmetics, can also be used as rubber filler, insulation material, calcined magnesium carbonate can be made of light magnesium oxide, calcined alkaline magnesium carbonate can be made of heavy magnesium oxide. Magnesium oxide because of the preparation method is not the same, there are light and heavy quality points, in the visible light and near ultraviolet light scale has strong refraction, in medicine magnesium oxide can be used as antacid and laxative, for hyperacidity and stomach and two fingers intestinal ulcer disease.
Magnesium hydroxide is characterized by odorless, tasteless, insoluble in water and ethanol, and has a high degree of refractory insulation function. Magnesium oxide can be converted into crystal by high temperature burning above 1000 ℃, and dead burned magnesium oxide or sintered magnesium oxide when it rises above 1500 ℃. Heat-resistant room temperature is not conductive, thermal conductivity contrast is poor. Can do magnesia refractory brick. Questions about magnesium hydroxide deposition. Many people don't know what kind of chemical reagent magnesium hydroxide is and what kind of characteristics it will have. Today, let's analyze it together.
Magnesium hydroxide is a useful industrial inorganic flame retardant, often used in the category of plastics, rubber products, flame retardants, as some chemical materials, flame retardants, but also often added in rubber, plastic, fiber, and resin and other polymer materials; magnesium hydroxide is also an environmentally friendly material, in acidic wastewater treatment, heavy metal removal, flue gas desulfurization is often used. Its chemical properties are a weak base, heated to 623K can be dehydrated differentiation, its molecular formula is Mg(OH)2 → MgO H2O, soluble in acid or ammonium salt solution. According to its chemical characteristics, the solubility of magnesium hydroxide is very small, but it can be deposited, and the color of magnesium hydroxide itself is white, so when we buy it, we can use this point to investigate whether what we buy is true or false. Generally speaking, as long as the white is basically true, if it is a little yellow or mixed with impurities, then we can basically conclude that it is not pure magnesium hydroxide.
The preparation method of magnesium hydroxide is very simple. Compared with the commonly used method, seawater and cheap calcium hydroxide solution are often used in industry, and magnesium hydroxide deposition can be obtained. However, magnesium hydroxide is irritating to our eyes, respiratory system and skin. Therefore, before operating magnesium hydroxide, we should first protect ourselves, wear gloves and maintain the goggles of our eyes. If we accidentally enter our eyes during use, we should clean them with a lot of clear water first. If not, we should hurry to the hospital. Magnesium hydroxide, although we touch very little in our daily life, is basically mixed with some plastics or rubber that we often use as a special flame retardant.
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Everyone knows that there are two common flame retardants. Today we are going to talk about only one of them. Aluminum hydroxide flame retardant is an environmentally friendly halogen-free flame retardant, which can be widely used in fabrics, wood, plastics, and rubber., Polyurethane and other industries have ideal flame retardant effect. In the process of industrial application, it is found that flame retardant failure occurs when aluminum hydroxide flame retardant is added. The following are the reasons for the failure of aluminum hydroxide flame retardant, how to prevent it, how to deal with the operation, and restore the original function.
As a flame retardant, magnesium hydroxide also need to improve what aspects?
When it comes to flame retardants, everyone is familiar with them. Although we usually have less contact with them, we can know what they are used for from the name. Have to talk about magnesium hydroxide, we all know that its main presentation state is a granular, at present, the market sales of magnesium hydroxide particle size is larger, part of the commodity particle size up to tens of microns, immediately used as a flame retardant, poor dispersion, the physical properties of raw materials greater harm. In industrial production, physical grinding methods are generally used to reduce the particle size to 1 micron. The surface of magnesium hydroxide has high polarity and is easy to agglomerate. As the compatibility of refractory materials and polymer substrates, it not only reduces its flame retardant grade, but also causes more serious harm to the physical properties of raw materials.
Hefei Zhongke Flame Retardant New Material Co., Ltd
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