Silicon Metal 1101 is a high-purity grade of silicon metal, a metallurgical product derived from silica (silicon dioxide) through a reduction process. The "1101" designation refers to its strict chemical composition, with the first two digits indicating the maximum impurity levels of iron and aluminum, and the last two digits representing the maximum calcium content. Specifically, Silicon Metal 1101 typically contains 99.5% minimum silicon (Si), with impurities limited to ≤0.1% iron (Fe), ≤0.1% aluminum (Al), and ≤0.01% calcium (Ca). This ultra-low impurity profile ensures superior performance in applications where purity is critical.

silicon metal 1101

Products Description

Silicon Metal	Grade	Chemical Composition
		Si(%)	Impurity Content
		Si(%)	Fe(%)	Al(%)	Ca(%)	P(PPM)
	97	>97.0%	≤1.5	≤0.5	≤0.3
	553	>98.5%	≤0.5	≤0.5	≤0.3	-
	441	>99.0%	≤0.4	≤0.4	≤0.1
	3303	>99.3%	≤0.3	≤0.3	≤0.03	≤50
	2502	>99.5%	≤0.25	≤0.25	≤0.02	≤40
	2202	>99.5%	≤0.2	≤0.2	≤0.02	≤40
	421	>99.2%	≤0.4	≤0.2	≤0.1	-
	411	>99.2%	≤0.4	≤0.1	≤0.1	-

Main uses

1,Foundry industry:

Added to cast iron as an alloying element to improve the strength, toughness and wear resistance of cast iron.

2,Semiconductor industry:

Used to make silicon wafers, which is the basic material for semiconductor devices.

3,Steel smelting:

Used as a deoxidizer and alloying element to improve the quality and performance of steel.

4,Solar industry:

As the basic material for photovoltaic panels, it is used to make efficient solar cells.

5,Chemical industry:

Used to produce silicon compounds such as silicates and silicone oils.

With the continuous development of science and technology, the application scope of silicon 1101 is becoming more and more extensive. Especially in the fields of new energy, communication, and information technology, its application is irreplaceable. Therefore, the production and research and development of silicon metal 1101 has great significance and role in the current and future development of science and technology.

Silicon Metal 1101

Key Properties & Advantages

Silicon Metal 1101 offers a range of properties that make it indispensable in high-performance industrial applications:

High Purity:

With a silicon content of 99.5% or higher and extremely low levels of iron, aluminum, and calcium, Silicon Metal 1101 minimizes the risk of contamination in downstream processes. This purity is critical for applications like electronics, where even trace impurities can disrupt performance.

Excellent Conductivity:

While not as conductive as metals like copper or aluminum, Silicon Metal 1101 exhibits semiconducting properties that make it valuable in electronic applications. Its ability to conduct electricity under specific conditions is harnessed in semiconductors and solar cells.

High Melting Point:

Silicon has a melting point of approximately 1414°C, allowing Silicon Metal 1101 to retain its structure and properties at elevated temperatures. This thermal stability makes it suitable for use in high-temperature alloys and refractory applications.

Chemical Reactivity:

Silicon readily forms alloys with other metals, such as aluminum and magnesium, improving their strength, corrosion resistance, and castability. This reactivity also makes it an effective deoxidizer in steelmaking and metallurgical processes.

Consistent Quality:

Strict production controls ensure Silicon Metal 1101 has uniform particle size, chemical composition, and physical properties. This consistency reduces process variability in manufacturing, improving product quality and yield.

Silicon Metal 1101