Sipernat 320DS is an ultra-fine milled precipitated silica imported from Germany by Evonik. It features high BET surface area, good thickening and excellent flow improvement, suitable for plastic anti-blocking, inkjet paper coating, catalyst carrier and adhesives, enhancing color density, printing definition and processing stability
Ultra-fine & easy dispersible - Good processability, no agglomeration, fit for film & coating
High & stable surface area - Balanced absorption, excellent anti-blocking & color rendering
Efficient plastic anti-blocking - Good film opening, no harm to transparency & appearance
Outstanding inkjet coating - Richer color, sharper dots, higher definition
High purity & inert - Suitable for catalyst binder & carrier, good compatibility
Polyolefin & PVC film - Anti-blocking agent, opening agent, masterbatch
Inkjet paper coating - Improve color density and printing dot clarity
Adhesives & sealants - Thickening, viscosity stabilization, reinforcing agent
Heterogeneous catalyst - Binder & carrier material
Coatings & inks - Rheology modification, anti-settling, matting aid
| Brand | Sipernat (Evonik Germany) |
| Product Type | Hydrophilic Precipitated Silica |
| Appearance | White ultra-fine powder |
| BET Surface Area | 170–190 m²/g |
| Average Particle Size D50 | 6–9 μm |
| Loss on Drying | ≤6.0 wt% |
| pH Value | 6.0–8.0 |
| SiO₂ Content | ≥98 wt% |
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