Si 75 Equivalent & Alternative
·4 min read
Si 75 — Technical Profile
Si 75 is a specialty chemical product manufactured by Evonik Industries AG (Germany). Higher thermal stability vs Si 69. Chemical name: Bis(triethoxysilylpropyl)disulfide (TESPD).
Key Specifications
| Property | Specification |
|---|---|
| Sulfur Content | 15.3% |
| Functional Group | Disulfide (S₂), ethoxy |
| CAS Number | 56706-10-6 |
Applications
- Green tire tread
Looking for a Si 75 Alternative?
SEMITECH Silanes offers functionally equivalent grades that match the performance profile of Si 75. 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 75 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 75 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 75 is a registered trademark of Evonik Industries AG. SEMITECH Silanes products are independently developed alternatives, not produced by or affiliated with Evonik.