The silicon content of silicon metal grade 441 553 3303 is roughly below 99.4. It is the silicon metal product with the largest supply on the market and the most demanded by customers. The grades of silicon metal are mainly distinguished according to the content of impurities such as iron, aluminum and calcium.

Deoxidizers are used in the production and smelting of some special steels and non-ferrous alloys, which is what we call silicon metal. Industrial silicon can also produce single crystal silicon after thousands of tempering for use in some electronic industries.

silicon metal grade 441 553 330

chemical composition

Grade	Chemical composition	553	441	421	3303	2503	2202
	Si ≥	98.5%	99%	99%	99%	99%	99%
	Fe ≤	0.5%	0.4%	0.4%	0.3%	0.2%	0.2%
	Al ≤	0.5%	0.4%	0.2%	0.3%	0.5%	0.2%
	Ca ≤	0.3%	0.1%	0.1%	0.03%	0.03%	0.02%
	size	40-120 mesh,45-325 mesh, -200 mesh, -325 mesh.etc
	Note: All grades of silicon metal from our company can be used for processing, and the size can also be processed according to your requirements.
Package	25 kg/bag or 1 ton/bag

Uses of silicon metal grade 441 553 3303

Production of silicone rubber, silicone resin, silicone oil and other organic silicon

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

Silicone resin is used to produce insulating paint, high temperature coatings, etc.

Silicone oil is an oily substance whose viscosity is little affected by temperature. It is used to produce high-grade lubricants, polishes, fluid springs, dielectric liquids, etc. It can also be processed into a colorless and transparent liquid and sprayed on the surface of buildings as a high-grade waterproofing agent.

Manufacturing high-purity semiconductors

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

Preparation of alloys

Silicon-aluminum alloy is the most widely used silicon alloy. Silicon-aluminum alloy is a strong composite deoxidizer. Replacing pure aluminum in the steelmaking process can improve the utilization rate of the deoxidizer, purify molten steel, and improve the quality of steel. Silicon-aluminum alloy has a low density, low thermal expansion coefficient, good casting performance and wear resistance. The alloy castings cast with it have high impact resistance and good high-pressure density, which can greatly improve the service life. It is often used to produce aerospace vehicles and automotive parts.

Silicon-copper alloy has good welding performance, is not easy to generate sparks when impacted, has explosion-proof function, and can be used to make storage tanks.

Adding silicon to steel to make silicon steel sheets can greatly improve the magnetic conductivity of steel, reduce hysteresis and eddy current losses, and can be used to manufacture the iron core of transformers and motors to improve the performance of transformers and motors.

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Products

Silicon Metal Grade 441 553 3303

chemical composition

Uses of silicon metal grade 441 553 3303

Production of silicone rubber, silicone resin, silicone oil and other organic silicon

Manufacturing high-purity semiconductors

Preparation of alloys