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Nano Micro Silica Fume Powder
Nano-precipitated silica fume (microsilica) is a high-activity ultra-fine silicon dioxide material with a SiO₂ content of ≥92%. It features fine particles, high activity, heat resistance, and excellent filling performance. The product appears as a white or gray powder, packaged in 25-kilogram bags, and is widely used in refractory materials, metallurgy, deoxidized copper, high-performance concrete, casting, and industrial reinforcing materials.
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Long Description & Product Features
Product Introduction
Our Nano Micro Silica Fume Powder (Microsilica) is a high-performance ultra-fine silicon dioxide material designed for refractory materials, metallurgy, copper deoxidation, high-strength concrete, casting, and other advanced industrial applications. The product is manufactured from high-quality silicon materials through advanced collection, purification, classification, and processing technology.
With SiO₂ content above 92%, our micro silica fume powder features high activity, extremely fine particle size, excellent filling performance, and outstanding high-temperature resistance. The unique nano-scale structure allows silica fume powder to fill the gaps between larger particles, improving the density, strength, and durability of composite materials.
Our white and gray silica fume powder is available in standard 25kg bags and bulk packaging options. It is widely used as a functional additive in refractory materials, steel production, copper deoxidation, concrete reinforcement, and industrial manufacturing.
As a professional supplier of microsilica powder, we provide stable-quality silica fume, customized packaging, and bulk supply solutions for customers worldwide.
Product Advantages
1. High SiO₂ Content and Strong Reactivity
Our silica fume powder contains SiO₂ ≥92%, providing excellent chemical activity and stable performance.
The high silicon dioxide content allows micro silica fume to effectively participate in chemical reactions during production processes, improving bonding strength and structural stability.
For refractory applications, silica fume powder helps improve the compactness and strength of refractory castables, reducing porosity and increasing service life.
2. Ultra-Fine Nano Particle Structure
The particles of nano silica fume powder are extremely fine, providing excellent filling ability and dispersion performance.
The ultra-fine structure of microsilica powder allows it to fill microscopic gaps between raw materials, creating a denser internal structure.
This feature makes silica fume an important additive for high-performance refractory materials and advanced industrial products.
3. Excellent High Temperature Resistance
Refractory silica fume has outstanding thermal stability and can maintain excellent performance under high-temperature environments.
When added to refractory materials, micro silica fume powder can improve heat resistance, thermal shock resistance, and structural stability.
It is widely used in steel furnaces, kilns, casting equipment, and other high-temperature industrial environments.
4. Improved Strength and Durability
Due to its high activity and fine particle size, silica fume powder can significantly improve the mechanical properties of composite materials.
In refractory castables and concrete applications, microsilica powder improves density, compressive strength, wear resistance, and corrosion resistance.
5. Good Chemical Stability
Our nano silica fume provides excellent chemical stability and corrosion resistance.
It can maintain reliable performance when exposed to high temperatures, industrial gases, and chemical environments, making it suitable for demanding industrial applications.
Applications
Refractory Materials
Silica fume powder is widely used in refractory castables, refractory bricks, furnace linings, and heat-resistant materials.
The addition of micro silica fume improves material density, bonding strength, abrasion resistance, and high-temperature performance.
Metallurgical Industry
Microsilica powder is used in metallurgical applications as a high-performance silicon material.
It helps improve material properties during high-temperature processing and is suitable for various steel and metal production processes.
Copper Deoxidation
Our silica fume powder can be used in deoxidized copper applications.
The high SiO₂ content and stable chemical properties make it suitable for industrial copper processing and related metallurgical applications.
High Performance Concrete
Nano silica fume powder is commonly used in high-strength concrete.
It improves concrete density, reduces permeability, and enhances durability, making it suitable for bridges, tunnels, marine structures, and special construction projects.
Casting Industry
Refractory grade silica fume is used in foundry and casting applications due to its excellent thermal performance and filling ability.
It helps improve mold materials and high-temperature processing performance.
Product Parameters
| Item | Specification |
|---|---|
| Product Name | Nano Micro Silica Fume Powder |
| Material | Silicon Dioxide (SiO₂) |
| SiO₂ Content | ≥92% |
| Appearance | White / Light Gray / Gray Powder |
| Particle Size | Nano-Level Ultra Fine Powder |
| Packaging | 25kg Bags / Bulk Packaging |
| Grade | Refractory Grade / Industrial Grade |
| Application | Refractory, Metallurgy, Copper Deoxidation, Concrete |
| Storage | Keep Dry and Avoid Moisture |
| Customization | Available |
Manufacturing Process
Our micro silica fume powder is produced through strict manufacturing procedures to ensure stable quality.
High-quality silicon raw materials are selected, and the ultra-fine silicon dioxide particles are collected, purified, and processed using advanced technology.
The production process ensures that every batch of silica fume powder maintains consistent SiO₂ content, particle size distribution, and application performance.
Before shipment, each batch of nano silica fume undergoes quality inspection to ensure it meets customer requirements for purity, appearance, and industrial usage.
Why Choose Our Silica Fume Powder?
SiO₂ content ≥92%
Ultra-fine nano particle structure
Excellent filling and reinforcement performance
High temperature resistance
Good thermal stability and chemical resistance
Suitable for refractory and metallurgical industries
Available in 25kg bags and bulk supply
Factory direct price and stable production capacity
Support customized specifications
Our nano silica fume powder, micro silica fume, and refractory grade silica fume provide reliable solutions for industries requiring high-performance silicon dioxide materials.
With excellent activity, stable quality, and wide application possibilities, our silica fume powder is an ideal choice for improving the strength, durability, and high-temperature resistance of advanced industrial materials.
