SiO₂ 25–26% · 10–12 nm · NH₃-Stabilized Standard Colloidal Silica
SN-JA25 is an ammonia (NH₃) stabilized New-Type colloidal silica with SiO₂ 25–26% and a mean particle size of 10–12 nm. With low alkali (Na₂O ≤ 0.03%) and excellent colloidal stability, it is the standard grade for applications requiring low ionic content and low residue — investment-casting shell binders, refractory paints, ceramic coatings, catalyst supports and ceramic-coated separators for lithium-ion batteries.
Key Features
- 💧 SiO₂ 25–26 % — Low-concentration, low-viscosity standard grade — excellent penetration and dispersion
- 🧪 Low Na₂O ≤ 0.03 % — Low alkali / ionic content for electronics and battery coating
- 🔬 Mean 10–12 nm — Ultrafine, high SSA — strong binding and sintering
- 🌡️ Excellent Sintering — Pure SiO₂ binder phase upon firing
- 🏭 Mass Supply — IBC/drum packaging — supports large-volume projects
- 🌿 VOC-Free · Inorganic — Replaces organic binders — complies with environmental regulations
Technical Specifications
| Item | Value |
|---|---|
| Product Code | SN-JA25 |
| Type | New Type · NH₃-stabilized |
| Appearance | Milky-white translucent colloidal liquid |
| SiO₂ | 25 ~ 26 % |
| Na₂O | ≤ 0.03 % |
| pH | 9.0 ~ 9.6 |
| Viscosity | ≤ 7.0 mPa·s |
| Density | 1.19 ~ 1.21 g/cm³ |
| Mean Particle Size | 10 ~ 12 nm |
| Stabilizer | NH₃ (ammonia-stabilized) |
| Origin | China |
| Packaging | 25 kg drum · 200 kg drum · 1,000 kg IBC |
Parent Category: Silica Sol (Colloidal Silica)
Particle size, purity, surface treatment and packaging can be customized to your specification. Contact us for samples, TDS and quotations.