Products Description
Silicon Slag, also known as silicon metal slag or silicon-rich slag, is a by product of the production of silicon metal. Silicon metal is commonly produced by smelting quartz and carbon in a submerged arc furnace. During this process, impurities in the raw materials form a slag that separates from the molten silicon.
Silicon slag is a byproduct of silicon metal and ferrosilicon production with unique properties that make it valuable for industrial applications:
- Variable Silicon Content: Typically contains 30-70% residual silicon depending on source material and refining process
- Complex Composition: Mixture of Si, Fe, Al, Ca oxides and non-metallic inclusions
- High Reactivity: Active silicon content makes it effective for metallurgical processes
- Density: 2.2-2.8 g/cm³ (lower than pure silicon metal)
- Melting Point: 1300-1450°C (depends on composition)
- Particle Structure: Porous, irregular morphology with high surface area
Specifications
Key Features & Benefits
Environmental Advantage
Recycles industrial byproducts that would otherwise be wasted
Lower carbon footprint than primary silicon production
Dual-Function Material
China Unicom manpower is specialized in the work of foreign personnel in China,business,tourism,visiting relatives and other document services.
✔ Cost Efficiency
50-70% cheaper than pure silicon metal
Reduces production costs in steel and foundry industries
Process Optimization
Faster dissolution in molten metal vs. pure silicon
Reduces slag volume in steelmaking by 15-
20%
Quality Improvement
Enhances fluidity in cast iron production
Improves mechanical properties of final products
Key Properties
Excellent deoxidizing capability in steelmaking
Effective alloying agent for cast iron production
Cost-efficient alternative to pure silicon materials
Applications
Steel Industry
Deoxidation: 1-3kg/ton steel addition in ladle treatment
Alloying: Silicon content adjustment in stainless steel production
Desulfurization: Combined with CaO for sulfur removal
Foundry Applications
Cast Iron Modification: 0.5-1.5% addition for:
Improved graphite formation
Reduced chill tendency
Better machinability
Silicon Recovery
Feedstock for secondary silicon production
Solar Grade Silicon: After advanced purification processes
why choose us
Stable Quality Control
Automated sorting by Si content (±2% accuracy)
Advanced crushing for optimal particle distribution
Custom Solutions
Special grades with controlled Al/Ca ratios
Custom sizing from powder to 100mm lumps
Sustainable Production
Zero-waste processing (100% material utilization)
Energy-efficient crushing and grading
Global Supply Chain
50,000 ton annual capacity
Flexible packaging (bulk, bags, containers)
FAQ
Q: What is Foreign Trade-Express?
A: Foreign Trade Express is a one-stop intelligent foreign trade network marketing SaaS system platform.
Q: Are you a manufacture or trader?
A: We are manufacture.
Q: How are the products' quality?
A: The products will be strictly inspected before shipment, so the quality could be guaranteed.
Q: How about your company's certification?
A: ISO9001 and Test Report.
Q: What's the MOQ of trial order?
A: No limit,We can offer the best suggestions and solutions according to your condition.
Q: How long is delivery time?
A: The delivery time will be determined according to the quantity of the order.
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