Si 266 Equivalent & Alternative
·4 min read
Si 266 — Technical Profile
Si 266 is a specialty chemical product manufactured by Evonik Industries AG (Germany). Slightly different S-chain distribution. Chemical name: Bis(triethoxysilylpropyl)disulfide (TESPD).
Key Specifications
| Property | Specification |
|---|---|
| Sulfur Content | 14.4% |
| Functional Group | Disulfide (S₂), ethoxy |
| CAS Number | 56706-10-6 |
Applications
- Tire and MRG
Looking for a Si 266 Alternative?
SEMITECH Silanes offers functionally equivalent grades that match the performance profile of Si 266. Our products are manufactured to the same international quality standards with competitive pricing and reliable supply from China.
Why choose SEMITECH Silanes as your Si 266 alternative:
- Equivalent performance — matched specifications and application behavior
- Competitive pricing — 20–40% cost advantage vs. European manufacturers
- Reliable supply — direct from manufacturer, shorter lead times
- Technical support — formulation assistance and sample testing
- Flexible MOQ — from trial quantities to container loads
Request a Sample
Ready to evaluate our Si 266 equivalent? Contact us for:
- Free sample (typically 1–5 kg)
- Full technical data sheet (TDS)
- Certificate of Analysis (CoA)
- Formulation guidance for your specific application
Si 266 is a registered trademark of Evonik Industries AG. SEMITECH Silanes products are independently developed alternatives, not produced by or affiliated with Evonik.