Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Evonik Sipernat 320DS Precipitation Silica

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

Features Of Evonik Sipernat 320DS Precipitation Silica

  1. Ultra-fine & easy dispersible - Good processability, no agglomeration, fit for film & coating

  2. High & stable surface area - Balanced absorption, excellent anti-blocking & color rendering

  3. Efficient plastic anti-blocking - Good film opening, no harm to transparency & appearance

  4. Outstanding inkjet coating - Richer color, sharper dots, higher definition

  5. High purity & inert - Suitable for catalyst binder & carrier, good compatibility

Typical Applications Of Evonik Sipernat 320DS Precipitation Silica

  1. Polyolefin & PVC film - Anti-blocking agent, opening agent, masterbatch

  2. Inkjet paper coating - Improve color density and printing dot clarity

  3. Adhesives & sealants - Thickening, viscosity stabilization, reinforcing agent

  4. Heterogeneous catalyst - Binder & carrier material

  5. Coatings & inks - Rheology modification, anti-settling, matting aid

Specifications Of Evonik Sipernat 320DS Precipitation Silica

BrandSipernat (Evonik Germany)
Product TypeHydrophilic Precipitated Silica
AppearanceWhite ultra-fine powder
BET Surface Area170–190 m²/g
Average Particle Size D506–9 μm
Loss on Drying≤6.0 wt%
pH Value6.0–8.0
SiO₂ Content≥98 wt%



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