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

Dow XIAMETER RTV-4133-M3 Silicone Rubber

Dow XIAMETER RTV-4133-M3 is a platinum-cured, two-part addition-cure liquid silicone rubber offering excellent flow, low viscosity, and rapid room-temperature vulcanization. Ideal for precision molding, encapsulation, and medical device fabrication, it delivers high tear strength, thermal stability, and biocompatibility per ISO 10993.
  • dow xiameter rtv 4133 m3 silicone rubber_febc70d4
  • dow xiameter rtv 4133 m3 silicone rubber_febc70d4

Features Of Dow XIAMETER RTV-4133-M3 Silicone Rubber

  1. High tear strength and excellent elongation for durable, flexible cured elastomers.

  2. Low viscosity base polymer enables easy mixing, degassing, and mold filling.

  3. Platinum-catalyzed addition cure system with minimal shrinkage and precise dimensional stability.

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

  5. Good electrical insulation properties and low dielectric loss at high frequencies.

Typical Applications Of Dow XIAMETER RTV-4133-M3 Silicone Rubber

  1. Encapsulation and potting of electronic components and power modules.

  2. Soft-touch overmolding for consumer electronics housings and interfaces.

  3. Prototyping and low-volume production of precision silicone parts via casting or injection molding.

  4. Sealing and gasketing in automotive sensor assemblies and under-hood applications.

  5. Medical device components requiring biocompatibility (when formulated per ISO 10993).

Specifications Of Dow XIAMETER RTV-4133-M3 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure liquid silicone rubber (LSR)
Product FormTwo-component liquid system (Part A + Part B)
Appearance (Part A)Clear to translucent viscous liquid
Appearance (Part B)Clear to translucent viscous liquid
Mix Ratio (by weight)1:1
Cure Temperature Range25–150 °C (room temperature cure possible with extended time)
Shore A Hardness (Cured)33 ± 2
Primary ApplicationsEncapsulation, potting, soft-touch overmolding, prototyping


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