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

Dow SILASTIC RTV-3496 Silicone Rubber

Dow SILASTIC RTV-3496 Silicone Rubber is a two-part, addition-cure liquid silicone rubber offering excellent flow, low viscosity, and high tear strength. Ideal for precision molding of medical devices and electronics, it cures rapidly at room or elevated temperatures with minimal shrinkage and outstanding biocompatibility per ISO 10993.
  • dow silastic rtv 3496 silicone rubber_b315cfa0
  • dow silastic rtv 3496 silicone rubber_b315cfa0

Features Of Dow SILASTIC RTV-3496 Silicone Rubber

  1. Two-part, addition-cure silicone rubber offering excellent thermal stability and long-term reliability.

  2. Low viscosity before cure enables easy mixing, degassing, and mold filling for complex geometries.

  3. Fast room-temperature or heat-assisted cure with minimal shrinkage and no by-products.

  4. Outstanding electrical insulation properties over wide temperature and frequency ranges.

  5. Excellent resistance to moisture, ozone, UV radiation, and aging under harsh environmental conditions.

Typical Applications Of Dow SILASTIC RTV-3496 Silicone Rubber

  1. Encapsulation and potting of high-voltage electronic components and power modules.

  2. Sealing and bonding in automotive sensor housings and LED lighting assemblies.

  3. Soft-tooling and prototype mold making for low-volume casting of polyurethane or epoxy parts.

  4. Insulating coatings and protective layers for aerospace avionics and control systems.

  5. Medical device encapsulation requiring biocompatibility-supporting formulation (ISO 10993 tested).

Specifications Of Dow SILASTIC RTV-3496 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone elastomer
Product FormTwo-component liquid system (Part A + Part B)
AppearanceTranslucent to opaque viscous liquids (color varies by grade)
Primary ApplicationsEncapsulation, potting, sealing, soft tooling, and protective coating
Key FeaturesLow viscosity, fast cure, excellent dielectric strength, thermal stability up to 200 °C
BenefitsReduced processing time, minimal post-cure requirements, dimensional stability, and long service life
Cure MechanismAddition reaction (no condensation by-products)
Shelf Life12 months unopened at 25 °C; store below 30 °C and protect from moisture


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