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

Dow DOWSIL SE 9120 S Silicone Rubber

Dow DOWSIL SE 9120 S Silicone Rubber is a two-part, addition-cure liquid silicone rubber offering excellent flow, low viscosity, and high tear strength. It cures rapidly at room or elevated temperatures with minimal shrinkage, delivering precise replication and superior thermal stability. Ideal for demanding molding applications including medical devices and precision components.
  • dow dowsil se 9120 s silicone rubber_f34cb278
  • dow dowsil se 9120 s silicone rubber_f34cb278

Features Of Dow DOWSIL SE 9120 S Silicone Rubber

  1. High-performance addition-cure liquid silicone rubber with excellent thermal stability.

  2. Low compression set for long-term sealing integrity under continuous thermal stress.

  3. Good flowability and low viscosity for efficient processing in injection molding and dispensing systems.

  4. UL 94 V-0 rated flame retardancy without halogen additives.

  5. Biocompatibility compliant with ISO 10993-5 and USP Class VI for medical device applications.

Typical Applications Of Dow DOWSIL SE 9120 S Silicone Rubber

  1. Seals and gaskets for automotive powertrain and EV battery modules.

  2. Medical tubing connectors and implantable device housings.

  3. Electrical insulation components in high-voltage power electronics.

  4. Flexible encapsulants for LED lighting assemblies requiring thermal management.

  5. Food-contact approved seals in beverage dispensing and processing equipment.

Specifications Of Dow DOWSIL SE 9120 S Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-part liquid (Part A + Part B)
AppearanceClear to translucent viscous liquid
Primary ApplicationsSealing, encapsulation, gasketing, and medical device components
Key FeaturesFlame retardant, low compression set, biocompatible, thermally stable
Shore A Hardness (Cured)40 ± 3
Tensile Strength (Cured)8.0 MPa typical
Operating Temperature Range–60 °C to +200 °C (continuous)


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