Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Dow DOWSIL EL-9240 Silicone Elastomer Blend

Dow DOWSIL EL-9240 is a high-performance silicone elastomer blend from Dow’s DOWSIL portfolio, engineered for exceptional flexibility, thermal stability, and low compression set. It offers easy processing, excellent adhesion to substrates, and reliable performance across automotive, electronics, and industrial sealing applications.
  • dow dowsil el 9240 silicone elastomer blend_ba168a3d
  • dow dowsil el 9240 silicone elastomer blend_ba168a3d

Features Of Dow DOWSIL EL-9240 Silicone Elastomer Blend

  1. High-performance silicone elastomer blend offering excellent thermal stability across -60 °C to 200 °C.

  2. Low compression set for long-term sealing integrity in dynamic and static applications.

  3. Good adhesion to common substrates including metals, plastics, and coated surfaces without primer.

  4. Fast room-temperature cure with controlled pot life for efficient manufacturing processing.

  5. Meets UL 94 HB flammability rating and complies with RoHS and REACH requirements.

Typical Applications Of Dow DOWSIL EL-9240 Silicone Elastomer Blend

  1. Automotive under-hood gaskets and vibration-damping mounts.

  2. Electronics encapsulation and protective coatings for sensors and connectors.

  3. Industrial sealing solutions for HVAC components and fluid-handling systems.

  4. Medical device housings requiring biocompatibility support (ISO 10993-5 tested).

  5. Consumer appliance seals exposed to repeated thermal cycling and mechanical stress.

Specifications Of Dow DOWSIL EL-9240 Silicone Elastomer Blend

Chemical TypePlatinum-cured addition-cure silicone elastomer blend
Product FormTwo-component liquid system (Part A + Part B)
AppearanceTranslucent, low-viscosity liquid (Part A); translucent, low-viscosity liquid (Part B)
Primary ApplicationsSealing, bonding, encapsulation, and damping
Key FeaturesThermal stability, low compression set, primerless adhesion, fast RT cure
BenefitsReduced assembly time, extended service life, design flexibility, regulatory compliance
Cure MechanismPlatinum-catalyzed hydrosilylation at room temperature or elevated temperature
Shelf Life12 months from date of manufacture when stored unopened at 5–25 °C


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