SiO₂ ≥99.7% · D50 6–9 µm · Standard Grade with Epoxy-Silane Surface Treatment
SN-DRG07 is a high-purity epoxy-silane surface-modified silica engineered for semiconductor, ceramic and advanced material industries, delivering process efficiency through precise particle size distribution and rigorous chemical purity. With SiO₂ ≥99.7% (typical 99.75%) and uniform D50 around 6.6 µm, it is optimized for EMC, underfill and high-reliability adhesive formulations.
Key Features
- 🧬 Silane Coupling Surface Modification — Custom modification with epoxy, amino, vinyl, methacryl and more
- 🔗 Strong Interfacial Adhesion — Enhanced resin-filler bonding improves mechanical properties
- 🌊 Excellent Dispersibility — Minimized agglomeration and uniform dispersion improve processability
- 💧 Water/Humidity Resistance — Hydrolysis suppression ensures long-term reliability
- 🔧 Dual Grade — Crystalline SN-HJG and fused SN-HRG
- ⚙️ Custom Spec — Custom coupling agent type, loading and PSD
Technical Specifications
| Item | Value |
|---|---|
| Code | SN-DRG07 |
| Appearance | White surface-modified powder |
| Surface Treatment | Epoxy silane |
| SiO₂ | ≥ 99.7 % (typ. 99.75) |
| Al₂O₃ | ≤ 0.3 % (typ. 0.12) |
| Fe₂O₃ | ≤ 0.01 % (typ. 0.005) |
| Aqueous EC | < 10 μs/cm (typ. 6.8) |
| Cl⁻ | < 5 ppm (typ. 1.23) |
| Na⁺ | < 5 ppm (typ. 1.26) |
| D10 | 1.796 μm |
| D50 | 6.631 μm (range 6-9) |
| D90 | 19.559 μm |
| Country of Origin | China |
Main Applications
Epoxy Composites · Silicone Sealants · High-Performance Adhesives · Coatings & Inks
Parent Category: Surface-Modified Silica Powder
Particle size, purity, surface treatment and packaging can be customized to your specification. Contact us for samples, TDS and quotations.