The preparation method of the composite magnesium oxide powder for dental alginate impression material comprises the following specific steps: a. Choose magnesium hydroxide powder raw material, magnesium hydroxide content is 97.3%, CaO is 1.3%, SO4 is 0.3%, Cl is 0.10%, heavy metal is 9ppm, As is 3ppm, acid insoluble matter is 0.08%; The weight loss […]
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Messi Biology stated that in magnesium manganese ferrite, magnesium oxide is the main raw material. In the manufacture of medium and high-grade soft magnetic materials, high-grade magnesium oxide must be used. The development of magnetic materials has promoted the technological progress of high-quality magnesium oxide production. The special function of nano-magnesia has once again triggered
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Messi Biology said that at present, domestic high-grade magnesium carbonate mainly relies on imports, and the market gap is relatively large. The annual demand for high-purity magnesium carbonate in China is nearly 100,000 tons, while the domestic production is only about 10,000 tons. There is a large market gap for some varieties such as Pharmaceutical
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Hebei Messi Biology Co., Ltd. stated that nano-magnesium oxide is a new type of high-function fine inorganic material. The main types are nano-powder, nano-film, nano-wire and nano-solid. Due to the particularity of its structure, it has different electrical, magnetic, thermal and optical properties than the body, thus opening up a series of new application fields.
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Magnesium oxide can be used as raw material for optical glass and glass-ceramics. Optical components magnesium oxide single wafer is also made of high-purity magnesium oxide. Magnesium oxide for optical glass has the characteristics of high purity, high specific gravity, and less calcium and iron impurities. It can be well integrated with glass components. The
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Hebei Messi Biology Co., Ltd. stated that in order to overcome the defects of poor catalytic activity and poor stability of ruthenium-based ammonia decomposition hydrogen production catalysts in the prior art under medium and low temperature conditions, it provides a ruthenium-based ammonia decomposition hydrogen production catalyst for ammonia Application of decomposition to prepare carbon-free hydrogen.
Glass-ceramic is used in home appliance glass, induction cooker boards, and glass-ceramic casserole. Hebei Messi Biology Co., Ltd. said that adding magnesium oxide to glass-ceramic can adjust the crystallization temperature of the glass. At low temperature, it can slow down the decrease of glass viscosity, and at high temperature, it can accelerate the increase of
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Hebei Messi Biology Co., Ltd. stated that by reacting soluble magnesium salts (reactive magnesium oxide, magnesium hydroxide) with aluminum salts and carbonate ions in a certain alkaline environment, water with high crystallinity and single crystal form can be produced. Talc. The production method is simple and easy, and the conditions are easy to control, which
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Hebei Messi Biology Co., Ltd. stated that high-concentration and high-stability magnesium hydroxide slurry can be prepared by adding anionic polyelectrolyte to the magnesium hydroxide emulsion thick liquid. When the polyelectrolyte concentration is 25% and the amount added is 0.5%-1.5% of the total amount of magnesium hydroxide (on a dry basis), the obtained slurry contains 51%-62%
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Tibet Mag stated that silicon steel grade magnesium oxide needs to meet the quality and technical indicators of MgO>98%, CaO<0.5%, and Cl<0.02%. The impurity CaO will be hydrated into Ca(OH)2 in the slurry and coated on the surface of the steel plate to absorb CO2 in the air to form CaCO3. Under the action of
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