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

Evonik Ultrasil 360 Precipitated Silica

Evonik Ultrasil 360 is an original German imported precipitated silica, a special reinforcing filler for the rubber industry. It has excellent processability and high reinforcement, suitable for high filler loading, providing low compression set and good dynamic properties for vulcanized rubber.

Features Of Evonik Ultrasil 360 Precipitated Silica

  1. Excellent processability – suitable for extrusion, calendering and injection molding, with convenient and efficient processing

  2. High filler compatibility – allows high proportion of filler addition without affecting product processing and performance

  3. Efficient reinforcement – significantly improves mechanical properties of rubber products and enhances overall structural stability

  4. Low compression set – endows vulcanized rubber with excellent elastic recovery and extends product service life

  5. Hydrophilic stability – hydrophilic precipitated structure, uniform dispersion, good compatibility with rubber systems

Typical Applications Of Evonik Ultrasil 360 Precipitated Silica

  1. Mechanical rubber products – used in seals, shock absorbers and hoses to improve durability and stability

  2. Rubber shoe soles – enhance wear resistance and compression resistance, improve wearing comfort and service life

  3. Industrial hoses/tape – optimize mechanical strength for high-pressure and high-frequency use scenarios

  4. Rubber seals – reduce compression set and improve sealing reliability and long-term performance

  5. Synthetic rubber mixing – as a reinforcing filler to improve rubber processability and finished product quality

Specifications Of Evonik Ultrasil 360 Precipitated Silica

Product TypePrecipitated Silica / Hydrophilic Silicon Dioxide
AppearanceWhite powder
BET Surface Area~55 m²/g
Product FeaturesHydrophilic, low specific surface area, high processability
SiO₂ Content≥99%
Loss on Drying≤8.0%
pH Value (5% suspension)5.5–7.5
CAS No.7631-86-9 / 112926-00-8



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