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

Dow SILASTIC RTV-4136-M Silicone Rubber

Dow SILASTIC RTV-4136-M is a two-part, platinum-catalyzed liquid silicone rubber from Dow’s SILASTIC RTV series, offering excellent flow, low viscosity, fast room-temperature cure, and outstanding thermal stability for precision molding of medical and automotive components.
  • dow silastic rtv 4136 m silicone rubber_11b97f37
  • dow silastic rtv 4136 m silicone rubber_11b97f37

Features Of Dow SILASTIC RTV-4136-M Silicone Rubber

  1. Two-part, platinum-catalyzed addition-cure silicone rubber offering excellent dimensional stability and low shrinkage.

  2. High tear strength and exceptional elongation for demanding dynamic sealing and cushioning applications.

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

  4. Excellent thermal stability across -55 °C to +200 °C continuous service range.

  5. Low compression set and outstanding resistance to aging, ozone, and weathering.

Typical Applications Of Dow SILASTIC RTV-4136-M Silicone Rubber

  1. Sealing and potting of high-voltage power electronics and inverters.

  2. Encapsulation of automotive sensors and battery management systems (BMS).

  3. Manufacturing of medical device gaskets requiring ISO 10993-compliant materials.

  4. Soft-touch overmolding on industrial control housings and user interfaces.

  5. Thermal interface materials (TIM) for heat-sensitive LED lighting assemblies.

Specifications Of Dow SILASTIC RTV-4136-M Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-component liquid (Part A: base; Part B: catalyst)
AppearanceTranslucent, viscous liquid (Part A); colorless to pale yellow liquid (Part B)
Primary ApplicationsElectrical encapsulation, thermal management, precision molding, medical-grade sealing
Key FeaturesUL 94 V-0 rated, low volatility, no by-products during cure
BenefitsLong pot life, precise mixing ratio (10:1 by weight), fast room-temperature or elevated-temperature cure
Cure MechanismAddition reaction (hydrosilylation)
Shelf Life12 months at 25 °C in unopened original packaging


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