Model No.	Chemical Composition (%)
	Si
	≥
Si-3N	99.9%
Si-4N	99.99%
Si-5N	99.999%
Si-6N	99.9999%

High purity silicon metal powder 3N 4N 5N 6N have a wide application in industries. It is mainly used to make high-purity semiconductors. This is because silicon has semiconductor properties and make semiconductor devices such as transistors, rectifiers and solar cells. High-purity silicon powder is also useful in the production of high temperature resistant materials, optical fiber communication materials, organic silicon compounds and alloys.

In the electronics industry, 3N 4N 5N 6N silicon metal powder is the raw material for manufacturing ultra-pure semiconductor single crystal silicon. These single crystal silicon wafers are key materials for integrated circuits and electronic components. In addition, High purity silicon metal powder can also be material to manufacture nano-silicon wires. These nano-silicon wires are negative electrode materials for rechargeable lithium batteries and can significantly increase the battery’s capacity and number of charge and discharge cycles.

High purity silicon powder is also a good material of silicon nitride ceramics. In production of silicon nitride large quantity of silicon powder will be essential. Silicon powder react with nitrogen and form silicon nitride. In addition, silicon powder is used in the refractory materials and powder metallurgy industries The demand for it is also boosted by its application as it improves the product’s resistance to high temperatures, wear and oxidation.

The market demand for High purity si powder is constantly changing with the advancement of technology and the emergence of new applications. For example, research on amorphous silicon solar cells is progressing rapidly, which increases the demand for high-purity silicon powder. The market demand for silicon metal powder is mainly from the solar photovoltaic industry. Because the manufacturing of solar cells requires the use of high-purity silicon materials. With the development of solar energy and electronics industries, the demand for High purity silicon metal powder is also growing.