कोलॉइडल सिलिका

## Key specifications to verify | Property | Typical Range | |----------|--------------| | SiO₂ concentration | 20%–50% | | Particle size | 5–100 nm | | pH | 2–11 (grade-dependent) | | Viscosity | 3–50 cP | | Shelf life | 6–24 months | ## Common applications - Investment casting: primary binder for ceramic shell molds - Semiconductor polishing: CMP slurries - Coatings: wear-resistant additives - Catalyst production: high-surface-area support material ## What to clarify before inquiry Share the target application, required particle size range, preferred SiO₂ concentration, pH grade, expected monthly volume, and any specific viscosity or shelf-life requirements.