High Purity Si Metal Powder 99.7% For Alloy Refining
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High Purity Si Metal Powder 99.7% For Alloy Refining

High-purity silicon micro granules refined for alloy refining and industrial chemical applications.
Uniform composition ensures smooth reactivity and stable performance.
Crafted for manufacturers focused on precision, efficiency, and consistent output.
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Product Introduction

Technical Overview and Application Value of Si Metal Powder

 

These high-purity Si Metal Powders are produced using advanced crushing, magnetic separation, and multi-stage purification. With a silicon purity of 99.7%, they provide high reactivity, excellent heat resistance, and reliable chemical stability. The product is commonly used in aluminum-silicon alloys, silicone-based materials, and specialized refractories.

Their consistent size and clean surface promote easy blending, low oxidation, and better flow performance during processing. In chemical production, these granules act as a pure silicon source for polymers and coatings, ensuring steady chemical conversion rates. Each shipment is tested for purity, particle distribution, and moisture content to maintain international export quality.

 

Physical and Chemical Specifications of Si Metal Powder

 

Parameter Standard Range Industrial Function
Si Purity ≥ 99.7% Ensures high performance in metal and chemical processing
Fe ≤ 0.16% Improves mechanical properties and corrosion resistance
Al ≤ 0.12% Maintains clarity and color in silicone synthesis
Ca ≤ 0.05% Reduces slag formation during smelting
C ≤ 0.02% Enhances consistency during high-temperature processing
Average Particle Size 35–55 µm Enables smooth dispersion and uniform reaction
Bulk Density 1.27 g/cm³ Ensures stability in automated material feeding
Moisture ≤ 0.07% Prevents caking and preserves flowability
Appearance Silver-gray granules Smooth metallic sheen, fine texture

 

Global Partner Visits and Industrial Collaboration Activities

 

Global Clients Inspect Crushing and Classification Equipment for Quality Consistency
Global Clients Inspect Crushing and Classification Equipment for Quality Consistency
Overseas Buyers Review Export Packaging and Discuss Long-Term Alloy Cooperation
Overseas Buyers Review Export Packaging and Discuss Long-Term Alloy Cooperation

 

 

FAQ

 

1. What are the main uses of Si Metal Powder 99.7%?
They are widely used in aluminum alloy refining, silicone compound manufacturing, and refractory production.

2. Can you adjust particle size or purity for specific processes?
Yes. We can customize granule size and purity between 99.5% and 99.8% according to your needs.

3. How do you ensure product quality for export?
Each lot undergoes ICP testing, moisture inspection, and particle analysis with a COA included.

4. What packaging is used for international shipments?
25 kg PE-lined kraft bags or 1-ton jumbo sacks, sealed, palletized, and shrink-wrapped for transport.

5. Why choose your company as a supplier?
We combine stable product quality, fast delivery, professional technical support, and responsive customer service.

 

Our qualifications
 
 

 

CE

CE

ISO9001

ISO9001

ISO14001

ISO14001

ISO45001

ISO45001

SGS

SGS

 

Contact Us for Inquiries and Cooperation

 

Please share your desired purity range, particle size, and port of delivery. Our export specialists will prepare a customized quotation, provide analysis reports, and arrange secure logistics to ensure your silicon micro granules reach you safely and efficiently.

 

📩 Email: sale@zaferroalloy.com
🌐 Get in touch today to request a quotation or product specification sheet

- we will respond within 24 hours.

 

Let's work together to achieve better results in your metallurgical and chemical production processes.

 

 

 

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