Our high-purity silica fume (92%+ SiO₂) is specifically designed for refractory applications in steel plants, cement kilns, furnace linings, and castables. It enhances thermal resistance, mechanical strength, and durability, ensuring superior performance under extreme conditions.
- SiO₂ Content: > 92%-96%
- Particle Size (D50): 0.1-0.3 μm
- Bulk Density: 230-350 kg/m³
- Specific Surface Area (BET): 15-30 m²/g
- Loss on Ignition (LOI at 1000°C): ≤ 3.0%
- Moisture Content: ≤ 1.0%
- Refractoriness:≥ 1750°C to 1800°C.
