Fumo di silice
Esamina le opzioni di fumo di silice (microsilice) per calcestruzzo, refrattari e applicazioni petrolifere con contenuto di SiO₂ e densità apparente verificati.
## Key specifications to verify
| Property | Typical Range |
|----------|--------------|
| SiO₂ content | 85%–98% |
| Bulk density (undensified) | 200–350 kg/m³ |
| Bulk density (densified) | 500–700 kg/m³ |
| Loss on ignition (LOI) | 1%–6% |
| Average particle size | 0.1–0.5 μm |
## Common applications
- High-performance concrete for bridges and high-rise buildings
- Refractory castables for furnace linings
- Oil well cementing in corrosive environments
- Rubber and polymer fillers
## What to clarify before inquiry
Share the target application, required SiO₂ content range, preferred form, expected monthly volume, and any specific LOI or carbon content limits.
Preoccupazioni dell'acquirente
- SiO₂ content consistency
- Bulk density control
- Loss on ignition (LOI)
- Carbon content
Considerazioni sull'approvvigionamento
- Specify densified or undensified form
- Confirm SiO₂ content range (85–98%)
- Verify source: silicon metal vs ferrosilicon byproduct