Refined Industrial Silicon Powder 99.5% For Metal Processing
Uniform particle structure ensures efficient melting and stable reaction control.
Developed for high-volume production lines requiring reliable purity and performance.
Industrial Functions and Processing Features of Refined Industrial Silicon Metal Powder 99.5%
This refined industrial silicon powder is manufactured through precision grinding, fine screening, and high-temperature impurity removal. With a guaranteed silicon purity of 99.5%, it provides excellent thermal resistance, consistent reactivity, and minimal contamination. It is widely used in aluminum-silicon alloy casting, deoxidizing agents, and silicone material production.
The powder's fine granularity enhances dispersion, reduces slag accumulation, and improves reaction uniformity in high-temperature environments. In chemical synthesis, it acts as a stable silicon carrier, ensuring controlled polymerization and clean end products. Each batch undergoes detailed composition testing and particle-size calibration to meet export-grade standards.
Technical Parameters and Performance Data of Refined Industrial Silicon Metal Powder 99.5%
| Parameter | Specification |
|---|---|
| Silicon Chemical Purity | 99.5% or higher |
| Iron Impurity Content | Maximum 0.21% |
| Aluminum Impurity Content | Up to 0.13% |
| Calcium Residue Content | No more than 0.03% |
| Trace Carbon Content | Maximum 0.018% |
| Average Particle Size (D50) | 28 µm to 42 µm |
| Apparent Density | 1.28–1.34 g/cm³ |
| Oxygen Content | Maximum 0.10% |
| Moisture Content | Up to 0.07% |
| Visual Appearance | Fine light grey powder |
Global Client Engagement and Technical Audits on Silicon Metal Powder Production


Core Advantages and Manufacturing Capabilities
Our refined industrial silicon powder combines high purity, stable particle size, and reliable oxidation resistance, making it suitable for both metallurgical and chemical use. The product ensures efficient processing, clean fusion, and reduced waste, resulting in higher production yields and consistent final quality.
We operate fully integrated production and testing facilities certified under ISO9001 and ISO14001. Our advanced milling and classification systems guarantee precise control over granularity and purity. We also provide tailored packaging, private labeling, and flexible export logistics. With a professional technical team and experienced export specialists, we ensure efficient communication, dependable supply, and continuous product quality for long-term cooperation.
FAQ
1. What are the main applications of Refined Industrial Silicon Powder 99.5%?
It's used in alloy manufacturing, chemical synthesis, refractory materials, and deoxidation processes.
2. Can the purity or particle size be customized?
Yes, we can adjust purity from 99.0% to 99.8% and produce mesh sizes suitable for your needs.
3. How is quality controlled before export?
Each lot is tested for composition, granularity, and moisture levels with a COA included.
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