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

Evonik Sipernat 2200 Precipitation Silica

Sipernat 2200 is an Evonik spherical granular precipitated silica from Germany with high absorption, low dust, excellent flow and strong reinforcement. Specially designed for HTV silicone rubber, liquid curing and powder carrier, offering high transparency, low yellowing and good mechanical properties.

Features Of Evonik Sipernat 2200 Precipitation Silica

  1. Spherical particles:Excellent flow, converts liquid into dust-free free-flowing powder

  2. Low fines content:Eco-friendly processing, low dust & good dispersion

  3. High absorption & loading:Stable liquid loading, high carrier efficiency

  4. Silicone rubber reinforcement:High transparency, low yellowing, no whitening

  5. Stable properties:Precisely controlled BET, particle size & purity

Typical Applications Of Evonik Sipernat 2200 Precipitation Silica

  1. HTV silicone rubber:Reinforcement, transparency, low yellowing

  2. Silicone products:Roller, packaging, seals, high strength & wear resistance

  3. Liquid systems:Coatings, inks, adhesives rheology & curing

  4. Powder carrier:Liquid-to-powder, anti-caking, flow aid

  5. Industrial rubber:General rubber reinforcement, transparent good

Specifications Of Evonik Sipernat 2200 Precipitation Silica

BrandSipernat (Evonik Germany)
Product TypeHydrophilic spherical precipitated silica
AppearanceWhite spherical granular powder
BET Surface Area190 m²/g
DOA Absorption225 ml/100g
Median Particle D50260–380 μm
pH Value5.0–7.0
Loss on Drying≤7.0 wt%
SiO₂ Content≥98%
CAS No.112926-00-8


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