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Electrolytic manganese metal flakes by Ma tracy
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Electrolytic manganese metal flakes |
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Business
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About the role of electrolytic manganese metal flakes in manganese oxide, let's take a look at, I believe you will be more aware of manganese metal flakes. Manganese oxide (Mn3O4) nature: according to metal powder supplier, manganese oxide is black powder, density 4.856, melting point is 1705°C, does not dissolve in water, partly soluble in sulfuric acid and hydrochloric acid. Is an important raw material of electronics industry produce MN-Zn soft magnetic ferrite materials. According to a certain proportion mixed with ferric oxide, zinc oxide, molding and sintering, made of high-performance magnetic materials - soft ferrites. This magnetic material with a narrow remanence curve, can remagnetization. And its DC resistivity is high, can be avoided eddy current losses. So that can be used to produce high quality inductors, TV Flyback transformer, phone transformers, magnetic amplifier, antenna rod and so on, can also be used for manufacturing computer-stored information magnetic core, disks, tapes, head and so on. There are various oxide manganese preparation methods, from technical characteristics and reaction nature can be broadly divided into four categories: roasting, reduction, oxidation and electrolytic methods. The methods of China produce manganese tetroxide are mainly use the electrolytic metal manganese powder suspensions oxidation method. It is a method with the electrolytic manganese flakes as the raw material, first crushed manganese metal pieces make into suspensions, use air or oxygen as oxidant, at a certain temperature and ammonium salt concentrations, prepare manganese tetroxide. The basic process of this method are: electrolytic manganese metal ? powder (dry method, wet method) ? oxide ? washing ? drying ? finished products. Health effects: inhalation of manganese oxide dust can cause "metal smoking hot". Long-term inhalation of its smoke will cause chronic manganese poisoning, initial stage will cause neurasthenic syndrome and nerve dysfunction, developed into extrapyramidal damage neurological signs. Environmental hazard: dangerous to the environment, pollute the water. Explosion hazard: this product is explosive, non-inflammable. Skin contact: remove contaminated clothing, flush with flowing water. Eye contact: lift the eyelids, flush with saline or flowing water, seek medical advice. Inhalation: leave the scene immediately to fresh air. Keep respiratory tract clear. If breathing is difficult, give oxygen. If breathing stop, immediately carried out artificial respiration, seek medical advice. Ingestion: drink enough warm water, emetic, seek medical advice. Hazardous characteristics: react with hydrochloric acid and releases chlorine gas. Hazardous combustion products: natural decomposition products are unknown. Extinguishing method: this product is non-combustible. When put out a fire try to move containers from foreground to the empty. Then according to the fire cause select appropriate extinguishing agent. Handling precautions: confined operation, general ventilation. Prevent dust released into the workplace air. Operators must be through trained, strictly abide by the rules. Recommends the operator wear a self-priming filter type dust respirator, wear chemical safety glasses, wearing work clothes with tight sleeves, long tube rubber shoes, wear chemical resistant gloves. Avoid creating dust. Avoid contact with the hydrochloric acid. Be equipped with spill response equipment. Storage precautions: store in a cool and ventilated storehouse. Stay away from fire, heat. Prevent direct sunlight. Be packed and sealed. Should be stored separately with hydrochloric acid, edible chemicals and avoid mixing storage. Storage area should be equipped with appropriate materials accept spill hosting. Source:http://www.mhcmp.com
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