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

Dow XIAMETER RTV-3486 Silicone Rubber

Dow XIAMETER RTV-3486 Silicone Rubber is a two-part, platinum-cured, high-strength elastomer offering excellent tear resistance, low compression set, and outstanding thermal stability from −60°C to 200°C. Ideal for precision molding, gasketing, and encapsulation in demanding industrial and medical applications.
  • dow xiameter rtv 3486 silicone rubber_7e4b56fa
  • dow xiameter rtv 3486 silicone rubber_7e4b56fa

Features Of Dow XIAMETER RTV-3486 Silicone Rubber

  1. Two-part, platinum-catalyzed addition-cure silicone rubber offering excellent dimensional stability after curing.

  2. Low viscosity and long pot life enable easy mixing, degassing, and precise mold filling for complex geometries.

  3. High tear strength and elongation provide robust mechanical performance in dynamic sealing and vibration-damping applications.

  4. Excellent thermal stability with continuous service capability from –60 °C to 200 °C.

  5. Meets UL 94 V-0 flammability rating when formulated and cured per recommended conditions.

Typical Applications Of Dow XIAMETER RTV-3486 Silicone Rubber

  1. High-reliability encapsulation of electronic components and power modules.

  2. Soft-touch overmolding for medical device housings and wearable sensors.

  3. Vibration isolation mounts and gaskets in automotive powertrain and EV battery systems.

  4. Custom molds for prototyping and low-volume production of silicone parts.

  5. Sealing and bonding in aerospace interior components requiring low outgassing and flame resistance.

Specifications Of Dow XIAMETER RTV-3486 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-component liquid (Part A: base; Part B: catalyst)
AppearancePart A: translucent, viscous liquid; Part B: translucent, low-viscosity liquid
Base PolymerMethylvinylsiloxane copolymer
Recommended Mix Ratio (A:B)10:1 by weight
Cure SystemRoom temperature or elevated temperature (e.g., 60–120 °C)
Primary ApplicationsEncapsulation, soft molding, sealing, vibration damping
Key FeaturesLow shrinkage, excellent adhesion to primed substrates, minimal compression set


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