Microsilica (Silica Fume)
Ultra-fine amorphous silica for high-performance concrete. Dramatically increases strength, reduces permeability, and enhances durability of concrete structures.
- Formula / grade
- SiO₂ — SiO₂ ≥ 90%
- CAS number
- 69012-64-2
Typical specifications
| Category | Minerals |
|---|---|
| Origin | Algeria |
| SiO₂ | ≥ 90% |
| Particle size | < 1 µm average |
| Bulk density | 200-350 kg/m³ |
| Surface area | 15-25 m²/g |
| Applications | High-strength concrete, Shotcrete |
| Standard | ASTM C1240 |
Specifications are indicative. Final specifications are confirmed in each offer, with the supplier's certificate of analysis.