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

Dow SILASTIC SE 4706 U Silicone Rubber

Dow SILASTIC SE 4706 U is a high-strength, platinum-cured liquid silicone rubber (LSR) from Dow’s SILASTIC™ portfolio. It offers excellent flow, low viscosity, rapid cure, and outstanding thermal/chemical resistance—ideal for precision medical, automotive, and consumer parts requiring biocompatibility and repeatability.
  • dow silastic se 4706 u silicone rubber_f888c2d3
  • dow silastic se 4706 u silicone rubber_f888c2d3

Features Of Dow SILASTIC SE 4706 U Silicone Rubber

  1. High-transparency, platinum-cured liquid silicone rubber (LSR) with excellent optical clarity and low haze.

  2. Outstanding biocompatibility, compliant with USP Class VI and ISO 10993-5/-10 for medical device applications.

  3. Fast cure profile optimized for high-volume injection molding of thin-walled and complex geometries.

  4. Excellent thermal stability with continuous use temperature range from –60 °C to +200 °C.

  5. Low compression set and superior long-term elastic recovery, ensuring reliable sealing performance over time.

Typical Applications Of Dow SILASTIC SE 4706 U Silicone Rubber

  1. Medical tubing and catheter components requiring clarity and kink resistance.

  2. Implantable-grade connectors and sensor housings in minimally invasive devices.

  3. Optical light guides and LED encapsulation in diagnostic equipment.

  4. Pharmaceutical primary packaging components such as stoppers and plungers.

  5. Soft-touch overmolded grips for surgical and dental handpieces.

Specifications Of Dow SILASTIC SE 4706 U Silicone Rubber

Chemical TypePlatinum-cured Liquid Silicone Rubber (LSR)
Product FormTwo-part liquid (Part A + Part B), 1:1 mix ratio by weight
AppearanceWater-clear, viscous liquid
Shore A Hardness (Cured, 7 days @ 23 °C)60 ± 3
Tensile Strength (ASTM D412)8.5 MPa (typical)
Elongation at Break (ASTM D412)550% (typical)
BiocompatibilityUSP Class VI, ISO 10993-5 (cytotoxicity), ISO 10993-10 (sensitization & irritation)
Cure Temperature Range110–150 °C (recommended mold temperature)


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