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

Dow DOWSIL SE 9188 Silicone Rubber

Dow DOWSIL SE 9188 Silicone Rubber is a high-performance, addition-cure liquid silicone rubber offering excellent flowability, low viscosity, and superior thermal stability. Ideal for precision molding of medical devices and consumer electronics, it delivers consistent cure, low compression set, and biocompatibility per ISO 10993. Fast demolding, minimal shrinkage, and outstanding mechanical resilience make it a trusted choice in demanding applications.
  • dow dowsil se 9188 silicone rubber_09a2ea7e
  • dow dowsil se 9188 silicone rubber_09a2ea7e

Features Of Dow DOWSIL SE 9188 Silicone Rubber

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

  2. Fast room-temperature vulcanization (RTV) with low compression set and superior resilience.

  3. Outstanding resistance to UV, ozone, and extreme temperatures (–60 °C to +200 °C).

  4. Excellent adhesion to diverse substrates including metals, plastics, and painted surfaces without primer.

  5. Low volatility and compliant with FDA 21 CFR 177.2350 for incidental food contact.

Typical Applications Of Dow DOWSIL SE 9188 Silicone Rubber

  1. Aerospace gasketing and vibration-damping seals for avionics enclosures.

  2. Automotive under-hood sealing of sensors, connectors, and electronic control units.

  3. Industrial enclosures requiring IP67/IP68-rated environmental protection.

  4. Medical device housings requiring biocompatibility and sterilization resistance.

  5. Renewable energy systems, including solar inverter potting and wind turbine sensor encapsulation.

Specifications Of Dow DOWSIL SE 9188 Silicone Rubber

Chemical TypeCondensation-cure, acetoxy-terminated silicone rubber
Product FormOne-component, paste-like RTV silicone
AppearanceOff-white to light gray, homogeneous paste
Primary ApplicationsSealing, gasketing, and encapsulation of electronics and precision components
Key FeaturesFast cure, high adhesion, low shrinkage, non-corrosive
Shore A Hardness (7 days, 23 °C/50% RH)35 ± 3
Tensile Strength (ASTM D412)≥ 4.5 MPa
Elongation at Break (ASTM D412)≥ 350 %


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