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.
Excellent processability – suitable for extrusion, calendering and injection molding, with convenient and efficient processing
High filler compatibility – allows high proportion of filler addition without affecting product processing and performance
Efficient reinforcement – significantly improves mechanical properties of rubber products and enhances overall structural stability
Low compression set – endows vulcanized rubber with excellent elastic recovery and extends product service life
Hydrophilic stability – hydrophilic precipitated structure, uniform dispersion, good compatibility with rubber systems
Mechanical rubber products – used in seals, shock absorbers and hoses to improve durability and stability
Rubber shoe soles – enhance wear resistance and compression resistance, improve wearing comfort and service life
Industrial hoses/tape – optimize mechanical strength for high-pressure and high-frequency use scenarios
Rubber seals – reduce compression set and improve sealing reliability and long-term performance
Synthetic rubber mixing – as a reinforcing filler to improve rubber processability and finished product quality
| Product Type | Precipitated Silica / Hydrophilic Silicon Dioxide |
| Appearance | White powder |
| BET Surface Area | ~55 m²/g |
| Product Features | Hydrophilic, 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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