99.5% Silicon Metal Powder For Industrial Manufacturing
Uniform particle distribution ensures excellent flow and dispersion properties.
Reliable quality with proven stability for various industrial production lines.
Silicon Metal Powder 99.5 percent Product Overview
Silicon metal powder 99.5 percent is a finely milled metallic silicon product designed for demanding industrial and chemical applications. Its controlled particle size distribution and high purity make it ideal for use in aluminum alloy modification, silicone monomer production, resin additives, refractory materials, and lithium battery anodes. The powder provides excellent oxidation resistance, ensuring stable behavior during high-temperature operations and mixing processes.
With low impurity levels, Si micropowder supports cleaner reactions and predictable outcomes in continuous production lines. It helps manufacturers maintain uniform blending, improve product yield, and enhance final material performance. In polymer and sealant production, it acts as a reinforcing filler, while in foundry and metallurgy applications, it ensures effective deoxidation and improved metal fluidity.
This metallurgical silicon powder is produced in dust-controlled environments with strict particle classification and impurity removal. Every batch is accompanied by a certificate of analysis (COA) showing chemical composition, moisture level, and particle-size data. The product offers both technical reliability and strong supply chain support for global buyers.
Technical Specification of Silicon Metal Powder 99.5 percent
| Parameter | Typical Value | Testing Method | Note |
|---|---|---|---|
| Si Content | ≥ 99.5% | ICP-OES | Base purity for alloying and silicone uses |
| Fe | ≤ 0.20% | ICP-OES | Controls brittleness in aluminum systems |
| Al | ≤ 0.20% | ICP-OES | Improves polymer reaction consistency |
| Ca | ≤ 0.05% | ICP-OES | Minimizes slag formation |
| C | ≤ 0.020% | Combustion | Maintains slurry stability |
| Moisture | ≤ 0.10% | Oven 105 °C | Prevents agglomeration during shipping |
| Particle Size | 25–35 µm (D50) | Laser PSD | Other mesh sizes available |
| Appearance | Gray metallic powder | Visual | Slight tone variation possible |
Customer Visit Highlights of Silicon Metal Powder 99.5 percent


Product and Company Strengths
Our silicon metal powder is produced from carefully selected silicon blocks, refined through precision milling and magnetic separation to ensure minimal contamination. Automated sieving and real-time moisture monitoring guarantee uniform batches. The production facility operates under ISO-based quality management with traceable procedures and consistent testing.
For overseas buyers, we provide flexible logistics options including sea, air, and multimodal transport with full insurance and real-time tracking. Custom specifications for mesh range, impurity thresholds, and labeling are available. Our dedicated export team ensures fast communication, technical support, and prompt quotation to help clients meet project timelines efficiently.
FAQ
1. What type of packaging do you provide for silicon metal powder?
All powder is sealed in moisture-proof PE-lined kraft or jumbo bags, palletized, and shrink-wrapped for stability during long-distance transport.
2. Can you adjust particle size or purity for specific applications?
Yes, we can supply tailored mesh sizes and impurity levels according to customer requirements for alloys, silicones, or battery use.
3. Do you provide quality assurance documents?
Each shipment includes a Certificate of Analysis showing chemical composition, particle-size distribution, and moisture data.
4. What are your logistics and delivery capabilities?
We offer FCL/LCL ocean shipping and air freight services with full tracking. Delivery schedules are optimized based on destination and port availability.
5. How long have you been exporting silicon metal powder?
Our company has over ten years of export experience, supplying industrial users across Europe, Asia, and North America.
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