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

Dow DOWSIL SILASCON RTV 4168 Silicone

Dow DOWSIL SILASCON RTV 4168 Silicone is a two-part, addition-cure liquid silicone rubber offering excellent flow, low viscosity, and rapid room-temperature vulcanization. Ideal for precision molding of medical devices and electronics, it delivers high biocompatibility, thermal stability, and consistent mechanical properties after curing.
  • dow dowsil silascon rtv 4168 silicone_0adaa13a
  • dow dowsil silascon rtv 4168 silicone_0adaa13a

Features Of Dow DOWSIL SILASCON RTV 4168 Silicone

  1. High-performance, two-part addition-cure silicone elastomer offering excellent thermal stability and low compression set.

  2. Exceptional electrical insulation properties with low dielectric loss and high volume resistivity.

  3. Good adhesion to common substrates including metals, plastics, and cured silicone without primer.

  4. Low viscosity in mixed state enables easy dispensing, potting, and encapsulation of delicate electronic components.

  5. UL 94 V-0 rated for flame resistance, supporting safety-critical applications in demanding environments.

Typical Applications Of Dow DOWSIL SILASCON RTV 4168 Silicone

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

  2. Potting of high-voltage transformers and busbar assemblies in renewable energy systems.

  3. Thermal interface and stress-relief material for LED lighting drivers and power supplies.

  4. Sealing and bonding in aerospace avionics housings requiring wide temperature range performance.

  5. Insulating encapsulant for medical device sensors and implantable-grade electronics (non-implantable use).

Specifications Of Dow DOWSIL SILASCON RTV 4168 Silicone

Chemical TypePlatinum-catalyzed addition-cure silicone elastomer
Product FormTwo-component liquid system (Part A + Part B)
AppearancePart A: Transparent to translucent viscous liquid; Part B: Translucent liquid
Base PolymerDimethyl/methylvinyl siloxane copolymer
Cure MechanismRoom temperature or elevated temperature addition cure
Shore A Hardness (7 days, 23°C)45–55
Tensile Strength (ASTM D412)≥8.0 MPa
Volume Resistivity (ASTM D257)≥1.0 × 10¹⁵ Ω·cm


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