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

Shin-Etsu KE-1950-50A/B Silicone Rubber

Shin-Etsu KE-1950-50A/B is a two-part addition-cure liquid silicone rubber offering excellent flow, low viscosity, and high thermal stability. Ideal for precision molding of medical devices and electronics encapsulation, it delivers superior biocompatibility, dimensional stability, and Shore A 50 hardness after curing. Meets ISO 10993 and USP Class VI standards.
  • shin etsu ke 1950 50a b silicone rubber_936b0523
  • shin etsu ke 1950 50a b silicone rubber_936b0523

Features Of Shin-Etsu KE-1950-50A/B Silicone Rubber

  1. Two-part addition-cure liquid silicone rubber system with excellent flowability and low viscosity for precise mold filling.

  2. High thermal stability and long-term reliability over a wide operating temperature range (–60 °C to +200 °C).

  3. Low compression set and outstanding elasticity retention after prolonged thermal aging.

  4. Excellent electrical insulation properties with high dielectric strength and volume resistivity.

  5. Meets UL 94 V-0 flammability rating and complies with RoHS and REACH directives.

Typical Applications Of Shin-Etsu KE-1950-50A/B Silicone Rubber

  1. High-voltage insulators and encapsulation for power electronics modules.

  2. Sealing and potting of LED drivers, inverters, and EV battery management systems (BMS).

  3. Thermal interface materials (TIM) for heat dissipation in automotive and industrial control units.

  4. Medical device encapsulation requiring biocompatibility support and sterilization resistance.

  5. Flexible gaskets and vibration-damping components in aerospace and rail transportation systems.

Specifications Of Shin-Etsu KE-1950-50A/B 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 liquid
Mixing Ratio (A:B)10:1 by weight
Cure Temperature100–150 °C (2–30 minutes, depending on thickness)
Shore A Hardness (cured)50 ± 3
Tensile Strength7.0 MPa (ASTM D412)
Elongation at Break250% (ASTM D412)


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