Sipernat 236 is a finely ground synthetic precipitated silica imported from Germany, with medium particle size, medium absorption and high purity. It reinforces HTV, LSR, RTV-2C silicone rubber, stabilizes viscosity, and achieves translucent products with low yellowing.
Balanced medium particle size and absorption - Suitable for both reinforcement and carrier needs
Efficient silicone rubber reinforcement - Greatly improves tensile, tear strength and wear resistance
Controllable viscosity stability - Stabilizes rubber viscosity and extends processing window
High purity and low yellowing - Neutral pH, high purity, achieving translucent and low-yellowing silicone
Finely ground and easy to disperse - Good dispersibility, easy mixing without agglomeration
HTV silicone rubber: Reinforcement, viscosity stabilization for seals and rubber rollers
LSR silicone rubber: Improved mechanical properties and fluidity for precision silicone products
RTV-2C silicone rubber: Strength enhancement and longer pot life for potting and sealing
Special carrier systems: Stable loading for active ingredients in chemical and pharmaceutical fields
Translucent silicone products: Achieve translucent and low-yellowing appearance
| Product Type | Finely ground synthetic precipitated silica |
| Appearance | White powder |
| BET Surface Area | 180–220 m²/g |
| Median Particle Size D50 | 9–13 μm |
| Oil Absorption | 190–230 mL/100g |
| pH Value | 6.0–8.0 (Neutral) |
| Loss on Drying | ≤7.0% |
| SiO₂ Content | ≥98% |
| CAS No. | 112926-00-8 |
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