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Product Classification of Magnesium Oxide

wallpapers News 2021-04-02
Magnesium oxide is divided into two types: light magnesium oxide and heavy magnesium oxide. Lightweight and loose in volume, it is a white amorphous powder. Odorless, tasteless, and non-toxic. The density is 3.58g/cm3. It is hardly soluble in pure water and organic solvents, and its solubility in water increases due to the presence of carbon dioxide. It can be dissolved in acid and ammonium salt solution. It is converted into crystals after high-temperature burning. In the case of carbon dioxide in the air, magnesium carbonate double salt is formed. The heavy mass is compact in volume and is a white or beige powder. It is easy to combine with water, and it is easy to absorb moisture and carbon dioxide in the exposed air. It is easy to gel and harden when mixed with magnesium chloride solution.
With the industrialization upgrade and the demand and development of the high-tech functional material market, a series of high-tech and fine magnesium oxide products have been developed and produced, mainly composed of high-grade lubricants, high-grade tanned leather, alkali-extracting grades, food grades, medicines, silicon steel grades, and high-grade electromagnetics. It is composed of nearly ten varieties such as grade and high-purity magnesium oxide.
Advanced lubricating oil grade
Application field: Mainly used as a cleaning agent, vanadium inhibitor, and desulfurized in the processing of advanced lubricating oil, greatly improving the density and rheology of lubricating film, and reducing ash content. Removal of lead and mercury reduces 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 oil refining process, which is more conducive to product fractionation to improve product quality. Especially when the heavy oil is burned, adding Mg0 can eliminate the damage of vanadic acid in the heavy oil to the furnace.
Food grade
Application field: used as food additives, color stabilizers, pH value regulators as supplements of magnesium in health products and foods. Used as a decolorizing agent in sugar refining, ice cream powder PH adjuster, etc. As an anti-caking agent and antacid agent, it is used in wheat flour, milk powder chocolate, cocoa powder, grape powder, powdered sugar, and other fields, and can also be used in the manufacture of ceramics, enamel, glass, dyes, and other fields.
Medical grade
Applications: In the field of biopharmaceuticals, medical-grade magnesium oxide can be used as antacids, adsorbents, desulfurizes, deleaders, complexing filter aids, PH regulators, and used as antacids and laxatives in medicine to inhibit and relieve Hyperacidity, treatment of gastric ulcer and duodenal ulcer. The neutralizing effect of stomach acid is strong and slow and lasting, without producing carbon dioxide.
Silicon steel grade
Application field: Silicon steel grade magnesium oxide has good magnetic permeability (that is, it has a large positive magnetic susceptibility) and excellent insulation properties (that is, the conductivity can be as low as 10-14us/cm in a dense state). It can form a good insulating layer and magnetic conductive medium on the surface of the silicon steel sheet to suppress and overcome the eddy current and skin effect loss (referred to as iron loss) of the silicon steel core in the transformer. Improve the insulation performance of silicon steel sheet, used as a high-temperature annealing separator. It can also be used as ceramic materials, electronic materials, chemical raw materials, and binders, additives, etc., used in silicon steel as phosphorizes, desulfurizes, and insulating coating generators.
Advanced electromagnetic level
Application fields: used in wireless high-frequency paramagnetic 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 a "soft magnetic material". It is also an ideal raw material for industrial enamel and ceramics.
High purity magnesium oxide
Application areas: High-purity magnesium oxide has excellent alkali resistance and electrical insulation at high temperatures. High thermal expansion coefficient and thermal conductivity have good light transmittance. Widely used as high temperature and heat resistant materials. In the ceramic field, it is used as a raw material for translucent ceramic crucibles, substrates, etc., in the electrical materials and electrical fields, for magnetic device fillers, insulating material fillers, and various carriers. Used as a ceramic substrate, the thermal conductivity is more than 2 times higher than that of alumina, and the loss of electrolyte is only 1/10 of that of alumina. It can also be used as a raw material for high-purity fused magnesia and can be used chemically as "analytical pure" magnesium oxide.
Feed grade
Adding 50 to 90 grams of magnesium oxide or 0.5% of the amount of concentrate to the dairy cow food can not only supplement the lack of magnesium in the diet to prevent magnesium deficiency, but also is an excellent rumen buffer, regulating Rumen fermentation can increase the absorption of the precursors of milk synthesis by the mammary glands, and increase milk production and milk fat rate.
Newborn chicks can only survive for a few days when fed diets that are completely deficient in magnesium. When fed a low-magnesium diet, the chicks grow slowly, lethargy, wheeze, and have shortness of breath. After being frightened, they will exhibit short-term cramps, and eventually lead to temporary coma or death. According to the experiment, the growth rate of broiler chickens was reduced by 80% compared with the diet containing 600ppm magnesium.
For laying hens, egg production will drop rapidly when magnesium is deficient. Hypomagnesium causes extensive use of bone magnesium, smaller eggs, lighter eggshells, and decreased magnesium concentration in egg yolks and eggshells. Studies have shown that the thicker the eggshell, the higher the concentration of magnesium in the eggshell. This indicates that an appropriate increase in the concentration of magnesium in the layer diet can improve the quality of the eggshell and increase the weight of the egg.
Freshwater fish
Freshwater fish have insufficient amounts of dissolved magnesium in the water, so they need to be properly supplemented with magnesium in their feed.
Additives include rumen buffer regulators, such as sodium bicarbonate, magnesium oxide, etc.
Single crystal
Single crystal magnesium oxide refers to the MgO content of more than 99.95%, has strong resistance to high and low temperature (high-temperature 2500℃, low temperature -270℃), corrosion resistance, insulation, good thermal conductivity and optical properties, colorless and transparent crystal.

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