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

Dow SILASTIC SE 1618 U Silicone Rubber

Dow SILASTIC SE 1618 U is a high-strength, platinum-cured liquid silicone rubber (LSR) from Dow’s SILASTIC portfolio. It offers excellent flow, low viscosity, fast cure, and outstanding thermal stability—ideal for precision injection molding of medical, automotive, and consumer parts requiring biocompatibility and durability.
  • dow silastic se 1618 u silicone rubber_a370d7b2
  • dow silastic se 1618 u silicone rubber_a370d7b2

Features Of Dow SILASTIC SE 1618 U Silicone Rubber

  1. High tear strength and excellent elongation for demanding dynamic sealing applications.

  2. Outstanding resistance to compression set, maintaining seal integrity over extended service life.

  3. Good processability in liquid injection molding (LIM) and transfer molding systems.

  4. Meets ISO 10993-5 and USP Class VI biocompatibility requirements for medical device use.

  5. Low volatility and minimal extractables, supporting clean manufacturing environments.

Typical Applications Of Dow SILASTIC SE 1618 U Silicone Rubber

  1. Medical tubing connectors and fluid path components in diagnostic and therapeutic devices.

  2. Seals and gaskets for pharmaceutical processing equipment and single-use bioprocessing systems.

  3. Valve diaphragms and pump membranes requiring high fatigue resistance and chemical inertness.

  4. Implantable device housings and external wearable sensor interfaces (non-implanted).

Specifications Of Dow SILASTIC SE 1618 U Silicone Rubber

Chemical TypePlatinum-cured liquid silicone rubber (LSR)
Product FormTwo-part liquid system (Part A + Part B)
Appearance (Uncured)Pale yellow, translucent liquids
Shore A Hardness (Cured)60 ± 3
Tensile Strength (Cured)≥ 7.0 MPa
Elongation at Break (Cured)≥ 450 %
Compression Set (22 h @ 150 °C)≤ 20 %
BiocompatibilityUSP Class VI, ISO 10993-5 compliant


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