What is the difference between silicon metal 441 and silicon metal 1101?

Silicon metal is a crucial industrial material, and grades 441 and 1101 are two common types, differentiated mainly by their impurity content.

For silicon metal 441, the numbers signify its impurity limits. It contains a maximum of 0.4% iron (Fe), 0.4% aluminum (Al), and 0.1% calcium (Ca). As a result, its silicon content typically hovers around 99.0%. On the other hand, silicon metal 1101 has much lower impurity levels. It has a maximum of 0.1% iron, 0.1% aluminum, and 0.01% calcium, allowing for a silicon content of over 99.7%.

These variations in impurity and silicon content lead to differences in performance. Silicon metal 1101, with its higher purity, offers enhanced electrical conductivity and chemical stability. This makes it ideal for applications where high - precision and high - performance are required, such as in the semiconductor and solar cell industries. In semiconductor manufacturing, even trace impurities can disrupt the delicate electronic properties of silicon - based components, so 1101 grade is preferred.

Silicon metal 441, while less pure, still provides good overall performance and is more cost - effective. It is widely used in the production of aluminum alloys, where it improves the alloy's strength, fluidity during casting, and corrosion resistance. It is suitable for manufacturing automotive parts, construction materials, and general - purpose aluminum products.

Why Choose ZHEN AN For Silicon Metal 441 Or Silicon Metal 1101?

At ZHEN AN INTERNATIONAL CO., LIMITED (ZhenAn), we are committed to providing high - quality silicon metal, whether it's grade 441 or 1101. As a factory - direct supplier, we eliminate middlemen, offering you competitive prices. We also provide free samples, manuals, laboratory test reports, and industry reports to help you make informed decisions.

We maintain large inventories, ensuring prompt delivery to meet your needs. Additionally, we can customize silicon metal production according to your specific requirements. Quality is our top priority. We conduct more than four spectrometer and chemical tests for each order, including raw material analysis, liquid analysis during melting, particle size distribution tests, and pre - shipment analysis.
Our products are carefully packaged in waterproof plastic woven bags (10 kg/25 kg bags inside 1MT jumbo bags or as per your requests) to safeguard product quality during transportation. Dedicated staff closely monitor all orders and keep you informed in a timely manner. We respond to all after - sales requests within 24 hours.

For more information, visit our websites:

https://www.za - refractories.com/

https://www.china - ferro - alloy.com/

https://www.ferro - vanadium.com/