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

Dow DOWSIL TREFIL E-506 S Silicone Rubber

Dow DOWSIL TREFIL E-506 S Silicone Rubber is a two-part, addition-cure liquid silicone rubber offering excellent flow, low viscosity, and outstanding thermal stability. Ideal for precision molding of medical devices, seals, and soft-touch components, it cures rapidly at room or elevated temperatures with minimal shrinkage and superior biocompatibility per ISO 10993.
  • dow dowsil trefil e 506 s silicone rubber_75d16564
  • dow dowsil trefil e 506 s silicone rubber_75d16564

Features Of Dow DOWSIL TREFIL E-506 S Silicone Rubber

  1. High-performance liquid silicone rubber (LSR) with excellent thermal stability and long-term aging resistance.

  2. Fast-curing, platinum-catalyzed formulation enabling high-efficiency injection molding and short cycle times.

  3. Outstanding biocompatibility, compliant with ISO 10993-5 and USP Class VI for medical device applications.

  4. Low compression set and superior elasticity across a wide temperature range (–50 °C to +200 °C).

  5. Excellent electrical insulation properties and hydrophobic surface behavior.

Typical Applications Of Dow DOWSIL TREFIL E-506 S Silicone Rubber

  1. Medical-grade seals, gaskets, and components for diagnostic equipment and wearable health devices.

  2. Soft-touch overmolding on rigid substrates such as polycarbonate and ABS in consumer electronics.

  3. Automotive sensor encapsulation and vibration-damping parts requiring high reliability under thermal cycling.

  4. Food-contact compliant components for kitchen appliances and beverage dispensing systems.

  5. Microfluidic device fabrication and precision molded parts for lab-on-a-chip platforms.

Specifications Of Dow DOWSIL TREFIL E-506 S Silicone Rubber

Chemical TypePlatinum-cured Liquid Silicone Rubber (LSR)
Product FormTwo-component (Part A + Part B), pumpable liquid
AppearanceClear to translucent viscous liquid
Shore A Hardness (Cured)50 ± 2
Tensile Strength (Cured)7.0 MPa (ASTM D412)
Elongation at Break (Cured)550% (ASTM D412)
Primary ApplicationsMedical devices, automotive sensors, consumer electronics, food contact
Key FeaturesBiocompatible, fast-curing, low compression set, excellent flow and fill


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