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

Dow DOWSIL SE 738 Silicone Rubber

Dow DOWSIL SE 738 is a one-part, addition-cure liquid silicone rubber offering excellent flowability, low viscosity, and rapid room-temperature curing. Ideal for precision molding of medical devices and electronics, it delivers high biocompatibility, thermal stability, and dimensional accuracy while maintaining Dow’s trusted DOWSIL performance standards.
  • dow dowsil se 738 silicone rubber_36046cd6
  • dow dowsil se 738 silicone rubber_36046cd6

Features Of Dow DOWSIL SE 738 Silicone Rubber

  1. High-performance, one-component, moisture-curing silicone rubber with excellent adhesion to diverse substrates including metals, glass, and plastics.

  2. Low modulus elasticity providing superior stress relief and long-term durability under thermal cycling and mechanical vibration.

  3. UL 94 V-0 rated for flame retardancy, supporting safety-critical electrical and electronic applications.

  4. Excellent resistance to ozone, UV radiation, and weathering—ideal for outdoor and harsh-environment use.

  5. Non-corrosive formulation compatible with sensitive electronic components and copper wiring.

Typical Applications Of Dow DOWSIL SE 738 Silicone Rubber

  1. Encapsulation and potting of power electronics, including IGBT modules and inverters.

  2. Sealing and bonding in LED lighting systems requiring thermal stability and optical clarity retention.

  3. Insulation and protection of automotive sensors and EV battery management system (BMS) components.

  4. Gap-filling and conformal coating for industrial control units exposed to humidity and temperature extremes.

Specifications Of Dow DOWSIL SE 738 Silicone Rubber

Chemical TypeCondensation-cure, acetoxy-based silicone rubber
Product FormPaste, thixotropic, ready-to-use
AppearanceOff-white to light gray, homogeneous paste
Primary ApplicationsEncapsulation, potting, sealing, and bonding in electronics and electrical systems
Key FeaturesMoisture-curing, low modulus, UL 94 V-0 rated, non-corrosive
BenefitsStress absorption, long-term reliability, simplified processing (no mixing required)
Shelf Life12 months unopened at 25 °C (77 °F) in original packaging
Curing Time (Surface Dry)Approx. 30–60 minutes at 23 °C / 50% RH


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *