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High-Quality Metal Silicon 521, 10-100mm from China Suppliers - Reliable Factory with Timely Delivery

Discover high-quality Metal Silicon from a leading factory in China, where innovation meets excellence in industrial materials. Our meticulous production process, which includes silicon pre-treatment, electric furnace smelting, and refining, emphasizes our dedication to delivering top-notch products. As trusted suppliers, we strictly control every step to ensure that our Metal Silicon meets the highest standards and fulfills your specific requirements. Choose our Metal Silicon for superior quality and performance, tailored for your applications
  • Packing: 1mt pp bag
  • Transportation: Ocean ship
  • Delivery: Within 5days after deposit
  • Payment terms: TT, L/C

Product Introduction

Our Silicon Metal 521 exemplifies industrial metallurgical excellence. Rigorously processed to deliver ≥99.3% silicon content, it maintains tightly controlled impurity levels. Characterized by a dark gray metallic luster, this material offers superior thermal resilience, high electrical resistivity, and exceptional oxidation resistance—properties that ensure reliable performance in extreme operating environments.
Silicon (Si)
≥ 99.3%
Iron (Fe)
≤ 0.5%
Aluminum (Al)
≤ 0.2%
Calcium (Ca)
≤ 0.1%
Aluminum Alloy Additive
An important additive to enhance the performance of aluminum alloy formulations, providing strength and durability to the final product.
Silicon Polymer Precursor
Serves as the essential precursor for synthesizing organic silicon polymers used in advanced coatings, adhesives, and engineered resins.
Semiconductors & Photovoltaics
Further refined into ultra-pure monocrystalline silicon, powering semiconductor devices and photovoltaic cells critical to renewable energy and next-generation electronics.
With global demand surging in green energy, electric vehicles, and precision manufacturing, Silicon Metal 521’s rigorously controlled composition ensures unmatched consistency and reliability. Its industry-leading purity positions it as a strategic enabler of innovation across high-tech sectors.
Get in Touch
Thank you for your trust and support of our products, we will be happy to provide you with the best quality services and products. If you are interested in our products, Please do not hesitate to contact us immediately and we look forward to providing you with more help and support.

Detailed Presentation

Frequently Asked Questions

What is the purity level of Silicon Metal 521?
Silicon Metal 521 is processed to deliver a high silicon content of ≥99.3%, ensuring high purity and superior performance.
What are the specific impurity limits of Silicon Metal 521?
The impurity levels are tightly controlled to maintain quality standards: iron (Fe) is kept at ≤0.5%, aluminum (Al) at ≤0.2%, and calcium (Ca) at ≤0.1%.
What are the primary physical properties of this material?
It features a dark gray metallic luster and offers superior thermal resilience, high electrical resistivity, and exceptional oxidation resistance.
In which industries is Silicon Metal 521 commonly used?
It is widely used in green energy, electric vehicles, precision manufacturing, aluminum alloys, organic silicon polymer synthesis, and semiconductor/photovoltaic cell production.
How does Silicon Metal 521 benefit aluminum alloy production?
It serves as an essential additive that enhances the performance of aluminum alloy formulations, providing increased strength and durability to the final product.

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