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

Shin-Etsu KE-5634-U Silicone Rubber

Shin-Etsu KE-5634-U is a high-performance liquid silicone rubber (LSR) from Shin-Etsu’s KE-5600 series, featuring excellent flowability, low viscosity, and rapid platinum-catalyzed curing. It delivers superior thermal stability, electrical insulation, and biocompatibility—ideal for precision injection molding of medical devices, automotive seals, and consumer electronics components.
  • shin etsu ke 5634 u silicone rubber_52ab2aac
  • shin etsu ke 5634 u silicone rubber_52ab2aac

Features Of Shin-Etsu KE-5634-U Silicone Rubber

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

  2. High thermal stability and consistent performance across a wide operating temperature range (–60 °C to +200 °C).

  3. UL 94 V-0 rated flame retardancy without halogen additives, supporting stringent safety requirements.

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

  5. Excellent electrical insulation properties and dielectric strength suitable for high-reliability electronic encapsulation.

Typical Applications Of Shin-Etsu KE-5634-U Silicone Rubber

  1. Encapsulation and potting of power electronics, including IGBT modules and EV onboard chargers.

  2. Sealing and gasketing in automotive under-hood components exposed to high heat and vibration.

  3. Insulating layers and protective coatings for LED lighting assemblies and driver circuits.

  4. Medical device housing seals requiring biocompatibility-compliant materials (ISO 10993 tested).

  5. Industrial sensors and transducers requiring long-term dimensional stability and environmental resistance.

Specifications Of Shin-Etsu KE-5634-U Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-component liquid (Part A + Part B)
AppearanceTransparent to translucent viscous liquid
Mixing Ratio (A:B)1:1 by weight
Cure Temperature100–150 °C (accelerated) or room temperature with extended time
Shore A Hardness (Cured)50 ± 3
Tensile Strength8.0 MPa (typical, ASTM D412)
Volume Resistivity>1 × 10¹⁵ Ω·cm (ASTM D257)


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *