
Microsilica fume
Products Description
Microsilica (Silica Fume)
Your Trusted Partner for High-Performance Microsilica Solutions

What is Microsilica?
"The Tiny Titan of Industrial Strength!"
Microsilica, also known as silica fume, is a byproduct of silicon metal and ferrosilicon alloy production. This ultra-fine powder, with particles 100 times smaller than cement, is a game-changer for concrete, refractories, and advanced materials. At Fengyang, we turn this "waste" into a wonder material!
Why Choose Microsilica?
"Small Particles, Big Impact!"
Super Strength:
Boosts concrete compressive strength by up to 30%.
Eco-Friendly
Repurposes industrial byproducts, reducing waste.
Ultra-Durability:
Reduces permeability, making structures last longer.

The Specifications of Microsilica (Silica Fume)
|
Model No. |
Chemical Composition(%) |
|||||||
| Si | Al2O3 | CaO+MgO | Na2O | C | NaOH | PH | L.O.I. | |
|
≥ |
≤ | |||||||
| SF-95 |
95 |
1.0 |
1.0 |
1.0 |
0.01 |
1.0 |
4-8 | 6 |
| SF-92 |
92 |
1.0 |
1.0 |
1.0 |
0.01 |
1.0 |
4-8 | 6 |
| SF-90 |
90 |
1.0 |
1.0 |
1.0 |
0.01 |
1.0 |
4-8 | 6 |
| SF-85 | 85 | 1.0 | 1.0 | 1.0 | 0.01 | 1.0 | 4-8 | 6 |
Particle Size & Grades
Size Matters – And We've Got It Right!
| Grade | Particle Size (µm) | Bulk Density (kg/m³) | Typical Applications |
|---|---|---|---|
| Densified | 0.1-1.0 | 500-700 | High-strength concrete |
| Undensified | 0.1-0.5 | 200-300 | Refractories, ceramics |
| Slurry | 0.1-0.3 | 1400-1600 | Shotcrete, oil well cement |
Applications – Where Microsilica Shines
Transforming Industries, One Particle at a Time!
| Industry | Applications | Benefits |
|---|---|---|
| Construction | High-performance concrete | 30% higher strength, 50% lower permeability |
| Refractories | Furnace linings, castables | Improves thermal shock resistance |
| Oil & Gas | Oil well cement | Enhances durability in harsh environments |
| Chemicals | Filler for paints, coatings | Improves abrasion resistance |
Why Choose Fengyang's Microsilica?
Quality You Can Trust, Service You Can Rely On!
Quality Assurance
Third-party inspection reports provided for each batch.
Custom Solutions
Tailored particle size and SiO₂ content to fit your needs.
Technical Support
20+ years of metallurgical expertise for process optimization.
FAQs About Microsilica
Got Questions? We've Got Answers!
Q: What is the minimum order quantity (MOQ)?
A: MOQ is 25 ton for trial orders.
Q: Can you provide customized SiO₂ content?
A: Yes, we can adjust SiO₂ levels from 85% to 95%.
Q: Is microsilica safe to handle?
A: Absolutely! We provide detailed safety guidelines with every shipment.
Q: Can you provide technical support for concrete mix design?
A: Yes, our engineers offer free mix design consultations.
Q: What certifications do you have?
A: We are ISO 9001, ISO 14001, and OHSAS 18001 certified.
Q: How do you ensure product consistency?
A: Real-time particle size analysis and batch-by-batch testing ensure consistency.
Q: Do you handle international shipping?
A: Yes, we manage all export documentation and logistics.
High-performance microsilica supplier, Custom silica fume for concrete, ISO-certified microsilica manufacturer, Refractory-grade silica fume, Oil well cement microsilica, Fast-shipping microsilica powder
Need a Custom Formula?
"Ready to Build Stronger, Smarter, and Greener?"
📞 Get a Quote: Click to chat with our experts for a customized solution.
📦 Request Samples: Test our high-performance microsilica risk-free.
🌍 Global Delivery: Reliable logistics for seamless cross-border shipments.
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