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

Evonik Sipernat 320 Precipitation Silica

Evonik Sipernat 320 is a hydrophilic finely ground precipitated silica imported from Germany. Designed for adhesives, sealants and powder industries, it provides good thickening, rheology control and flow improvement with excellent dispersibility and processing stability, widely used as thickener, anti-caking agent, carrier and functional filler.

Features Of Evonik Sipernat 320 Precipitation Silica

  1. Excellent thickening & rheology - Efficient thickening and thixotropic control

  2. Outstanding flow & anti-caking - Greatly improve powder flowability

  3. Fine grinding & easy dispersion - Uniform particle, fast and full dispersion

  4. Wide application versatility - For adhesives, sealants, coatings, powders, cosmetics

  5. Stable processability - Non-sticky, anti-sagging, high production efficiency

Typical Applications Of Evonik Sipernat 320 Precipitation Silica

  1. Adhesives & sealants - Thickening, thixotropy, anti-sagging, reinforcement

  2. Coatings & inks - Rheology control, abrasion resistance, weatherability

  3. Food & feed powders - Anti-caking, flow aid, carrier

  4. Daily chemicals - Anti-caking, hand feel and dispersion improvement

  5. Rubber & plastics - Functional filler, antiblocking agent, processing aid

Specifications Of Evonik Sipernat 320 Precipitation Silica

BrandSipernat (Evonik)
Product TypeHydrophilic finely ground precipitated silica
AppearanceWhite powder
BET Surface Area170–190 m²/g
Median Particle Size D507.0–8.0 μm
Oil Absorption (DOA)190–210 mL/100g
pH Value6.0–7.0
Loss on Drying≤7.0%
SiO₂ Content≥98%


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