Silicon Metal

Silicon Metal

  • Specifications: 553/441/3303/2202/1101 .etc
  • Shape: Silicon Metal Lumps/Grains/Powder
  • Usage: Aluminum Industry/PV Industry/Chemical Industry/Metallurgical Industry
  • Particle size: 10-100mm
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Product Description:

Metal silicon, also known as crystalline silicon or industrial silicon, is a new type of alloy product.

It is an alloy smelted by electric furnace using coke,  quartz (or silica) as raw materials. The main component silicon content is about 98%, and the remaining impurities are iron, aluminum, calcium, etc.
It is a silver-gray or dark-grey lump with high melting point, good heat resistance, high resistivity and excellent oxidation
resistance. It is called "industrial glutamic acid" and is indispensable in high-tech industries. With good chemical properties in use, it is widely used in the industry.

Silicon MetalChemical Composition%

silicon metal


1、Production of organic silicon such as silicone rubber, silicone resin, silicone oil, etc.

Silicone rubber has good elasticity and high temperature resistance, and is used to make medical supplies, high temperature resistant gaskets, etc.

Silicone resin is used in the production of insulating varnishes, high-temperature coatings, etc.

Silicone oil is a kind of oil whose viscosity is little affected by temperature. It is used in the production of lubricants, glazing agents, fluid springs, dielectric liquids, etc.

2、Manufacture of high-purity semiconductors

Almost all modern large-scale integrated circuits are made of high-purity metal silicon, and high-purity metal silicon is also the main raw material for the production of optical fibers. It can be said that metal silicon has become the basic pillar industry of the information age.

3、Manufacturing alloy

Aluminum alloy is the industry with the largest amount of metal silicon. Silicon-aluminum alloy has low density, thermal expansion coefficient, good casting performance and wear resistance. The alloy castings cast with it have high impact resistance and good high-pressure compactness, which can greatly improve the service life. It is often used in the production of aerospace industry and Automobile industry and other parts. Silicon-copper alloy has good welding performance, and it is not easy to generate sparks when it is impacted. It has explosion-proof function and can be used to make storage tanks. Silicon-aluminum alloy is a strong composite deoxidizer. It can replace pure aluminum in the steelmaking process to improve the utilization rate of deoxidizer, purify molten steel, and improve steel quality.

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