SEMITECH

COUPSIL 6109 Equivalent & Alternative

·4 min read

COUPSIL 6109 — Technical Profile

COUPSIL 6109 is a specialty chemical product manufactured by Evonik Industries AG (Germany). Chemical name: Si 69 / ULTRASIL VN 2.

Key Specifications

PropertySpecification
Sulfur Content2.00%
Functional GroupPre-reacted silane/silica

Applications

  • Lower silane loading
  • Cost optimization

Looking for a COUPSIL 6109 Alternative?

SEMITECH Silanes offers functionally equivalent grades that match the performance profile of COUPSIL 6109. Our products are manufactured to the same international quality standards with competitive pricing and reliable supply from China.

Why choose SEMITECH Silanes as your COUPSIL 6109 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 COUPSIL 6109 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

Request Sample →


COUPSIL 6109 is a registered trademark of Evonik Industries AG. SEMITECH Silanes products are independently developed alternatives, not produced by or affiliated with Evonik.

Need a Sample or Quote?

Reply within 24 hours. Low MOQ, sample-friendly.

Send Inquiry
TelegramWhatsApp