High-Performance Silicon Metal Powder For Refractory Applications
Form: Silver-gray or dark gray metallic powder
Applications: Refractory materials, alloy additives, castable binders
Advanced Processing Technology and Industrial Utilization of Silicon Metal Powder
Silicon Metal Powder, also known as crystalline silicon or industrial silicon, is a high-purity metallurgical material obtained by smelting quartz and carbon materials in electric furnaces.
It serves as a core additive in non-ferrous alloy production and as a functional ingredient in refractory manufacturing.
In the refractory field, silicon metal powder effectively replaces aluminum oxide mud, providing better thermal stability and strength.
It is also used as an additive and binder in both amorphous and shaped refractory products, improving mechanical integrity and high-temperature behavior.
Its fine particle size and chemical uniformity enhance the bonding strength of castables and stopper rods while reducing material cost and extending service life.
ZhenAn Ferroalloy produces silicon powder through high-precision grinding, sieving, and impurity control, ensuring consistent grain distribution and excellent reactivity for all industrial uses.
Technical Indicators and Physical Properties of Silicon Metal Powder
| Parameter | Typical Range | Industrial Purpose |
|---|---|---|
| Silicon (Si) | ≥ 98.0 % | Core component for metallurgical and refractory stability |
| Iron (Fe) | ≤ 0.80 % | Enhances heat resistance and mechanical strength |
| Aluminum (Al) | ≤ 0.60 % | Improves bonding and melting performance |
| Calcium (Ca) | ≤ 0.10 % | Prevents slag formation and oxidation |
| Bulk Density (g/cm³) | 2.30 – 2.35 | Ensures uniform particle compaction |
| Particle Size (mm) | 0.2 – 3.0 | Adjustable to customer's process needs |
| Appearance | Silver-gray metallic powder | High brightness, dense structure |
Global Clients Visiting ZhenAn Ferroalloy for Silicon Metal Powder Cooperation and Quality Evaluation


Product and Company Advantages
ZhenAn's Silicon Metal Powder integrates advanced production technology with strict quality control, ensuring stable purity, uniform granularity, and exceptional performance across industries.
Advantages:
Stable Reactivity: Fine and evenly distributed particles ensure consistent high-temperature behavior.
Enhanced Durability: Improves refractory strength and lifespan while reducing cost.
Tailored Solutions: Custom purity and particle size based on application needs.
Certified Quality: ISO 9001 & SGS/BV inspection supported.
Reliable Export Capability: Over 3,000 MT monthly capacity with timely logistics service.
FAQ – About Silicon Powder and Global Orders
Q1: What makes ZhenAn's silicon metal powder superior to traditional materials?
A1: It replaces aluminum oxide mud in refractory use, reducing production cost while improving strength and temperature stability.
Q2: Can the particle size be customized for different refractory or alloy processes?
A2: Yes, particle size can be tailored from 0.2 mm to 3 mm according to customer furnace and process requirements.
Q3: How is the product packaged for export?
A3: The powder is packed in 25 kg or 1-ton moisture-proof bags, secured on pallets to prevent contamination during international shipping.
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