Products Description
Silicon metal is an important chemical raw material with the following properties
1. Physical properties: metallic silicon is a grayish white solid with a metallic luster. It is a good conductor of electricity and heat.
2. Chemical properties: metallic silicon reacts with oxygen to form silicon dioxide. It can also react with non-metallic elements, such as halogens and acids.
Uses of metal silicon
1. Metallurgical industry: Metal silicon is widely used in metallurgical industry, such as cast iron and steel production process, can improve its corrosion resistance and mechanical properties.
2. Optoelectronics industry: silicon metal is an important raw material for solar cells and can be used to manufacture solar panels.
3. Semiconductor industry: silicon metal is one of the main components of semiconductor materials, used to manufacture electronic devices, such as integrated circuits, transistors and so on.
There are mainly silicon refining method and electrolysis method.
1. Silicon refining method: metal silicon is prepared by the reaction of reducing silicon dioxide and carbon at high temperature. This method requires high temperatures and high energy consumption, but the production scale is large.
2. Electrolysis: The production of metallic silicon by electrolytic reduction of gaseous silicon fluoride. This method is relatively energy-saving, but requires higher technical conditions.
01
Silicon metal itself is non-toxic to the human body, but in the process of processing will produce fine silicon dust, has a stimulating effect on the respiratory tract. Therefore, when handling metal silicon, wear appropriate protective equipment such as masks, gloves, and eye protection.
02
In addition, because silicon metal will react with oxygen in the air to produce flammable gas, care should be taken to avoid contact with fire sources or oxidants during storage and transportation.
03
Silicon metal itself is non-toxic to the human body, but in the process of processing will produce fine silicon dust, has a stimulating effect on the respiratory tract. Therefore, when handling metal silicon, wear appropriate protective equipment such as masks, gloves, and eye protection.
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