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

Evonik Sipernat 2200PC Precipitation Silica

Evonik Sipernat 2200PC is a spherical particulate precipitated silica imported from Germany, designed for silicone rubber reinforcement and liquid immobilization. It features high absorption, low dust and excellent processability, suitable for HTV silicone rubber, rollers and packaging with high transparency, low yellowing and strong mechanical properties.

Features Of Evonik Sipernat 2200PC Precipitation Silica

  1. Spherical particle structure - Uniform dispersion, low dust, clean processing

  2. High absorption capacity - Efficient liquid loading, high bulk density powder

  3. Excellent silicone reinforcement - Better tensile & wear than ordinary silica

  4. High transparency & low yellowing - Clear silicone, no yellowing & no whitening

  5. Stable purity control - Precise particle size & surface area for consistency

Typical Applications Of Evonik Sipernat 2200PC Precipitation Silica

  1. HTV silicone rubber - Improve strength, transparency and yellowing resistance

  2. Industrial rubber rollers - Enhance wear resistance and service life

  3. Packaging & sealing materials - Boost elasticity and sealing performance

  4. Liquid solid carrier - Produce high bulk density, dust-free powder

  5. High-performance rubber products - Better properties than ordinary silic

Specifications Of Evonik Sipernat 2200PC Precipitation Silica

Product TypePrecipitated Silica
AppearanceWhite free-flowing powder
Oil Absorption200–240 mL/100g
Particle Size D5010–15 μm
pH Value6.0–8.0
Loss on Drying≤7.0%
SiO₂ Content≥98%



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