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

Evonik Sipernat 320 Precipitation Silica

Sipernat 320 is an ultra-fine milled precipitated silica imported from Germany by Evonik. It features high BET surface area, mainly used for polyolefin/PVC anti-blocking, inkjet paper coating, catalyst carrier, improving color density, printing definition and system stability.


Features Of Evonik Sipernat 320 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 320 Precipitation Silica

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

  2. Inkjet paper coating - Boost color density & printing dot clarity

  3. Heterogeneous catalyst - Binder & carrier material

  4. Coatings & printing inks - Thickening, leveling, printability improvement

  5. Special powder additives - Anti-caking & flow improvement

Specifications Of Evonik Sipernat 320 Precipitation Silica

BrandSipernat (Evonik Germany)
Product TypeHydrophilic Precipitated Silica
AppearanceWhite ultra-fine powder
BET Surface Area170–190 m²/g
Average Particle Size D507–8 μm
Loss on Drying≤6.0 wt%
pH Value6.0–8.0
SiO₂ Content≥98 wt%




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