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

Wacker ELASTOSIL RT 601 A B Two-Component Silicone Rubber

Wacker ELASTOSIL RT 601 A/B is a platinum-cured two-component addition-cure silicone rubber offering excellent mechanical strength thermal stability and low compression set ideal for precision molding encapsulation and sealing in automotive medical and industrial applications.
  • wacker elastosil rt 601 a b two component silicone rubber_642b25d9
  • wacker elastosil rt 601 a b two component silicone rubber_642b25d9

Features Of Wacker ELASTOSIL RT 601 A B Two-Component Silicone Rubber

  1. Platinum-catalyzed addition-cure system ensuring low shrinkage and excellent dimensional stability.

  2. High tear strength and outstanding elongation at break for demanding dynamic applications.

  3. Excellent resistance to aging, UV radiation, ozone, and extreme temperatures (–60 °C to +200 °C).

  4. Low viscosity in liquid state enabling easy mixing, degassing, and mold filling—even for intricate geometries.

  5. Biocompatibility compliant with ISO 10993-5 and USP Class VI, suitable for medical device prototyping.

Typical Applications Of Wacker ELASTOSIL RT 601 A B Two-Component Silicone Rubber

  1. Medical device prototypes including wearable sensors and soft-touch interfaces.

  2. Automotive interior components requiring tactile comfort and long-term environmental resistance.

  3. Consumer electronics housings and protective gaskets exposed to thermal cycling and mechanical stress.

  4. Industrial sealing elements for precision equipment operating under vibration and temperature extremes.

  5. Artistic and industrial casting molds for high-fidelity reproduction of fine surface details.

Specifications Of Wacker ELASTOSIL RT 601 A B Two-Component Silicone Rubber

Chemical TypePlatinum-catalyzed addition-curing silicone rubber
Product FormLiquid two-component system (Part A: base, Part B: catalyst)
AppearancePart A: translucent, viscous liquid; Part B: translucent, low-viscosity liquid
Mixing Ratio (A:B)10:1 by weight
Cure Time (23 °C)Approx. 24 hours (full cure); tack-free in ~4–6 hours
Shore A Hardness (7 days, 23 °C)60 ± 2
Tensile Strength (ISO 37)8.5–10.0 MPa
Elongation at Break (ISO 37)≥ 350 %


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