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

Shin-Etsu CH-3819 Silicone Rubber

Shin-Etsu CH-3819 is a high-performance liquid silicone rubber (LSR) from Shin-Etsu’s CH-series, offering excellent thermal stability, low compression set, and rapid platinum-catalyzed cure. Ideal for medical, automotive, and consumer parts requiring biocompatibility, precision molding, and consistent mechanical properties across wide temperature ranges.
  • shin etsu ch 3819 silicone rubber_012b0935
  • shin etsu ch 3819 silicone rubber_012b0935

Features Of Shin-Etsu CH-3819 Silicone Rubber

  1. High-temperature resistance up to 200 °C for extended service life in demanding thermal environments.

  2. Excellent electrical insulation properties with low dielectric loss and stable permittivity across frequency ranges.

  3. Outstanding flexibility and elasticity retention after prolonged thermal aging.

  4. Good adhesion to various substrates including metals, plastics, and glass without primer.

  5. Low compression set ensuring reliable sealing performance under continuous mechanical stress.

Typical Applications Of Shin-Etsu CH-3819 Silicone Rubber

  1. Electrical and electronic encapsulation for power modules and high-voltage components.

  2. Thermal interface materials (TIMs) in automotive power electronics and EV battery systems.

  3. Sealing gaskets for industrial sensors operating in wide temperature and humidity ranges.

  4. Protective coatings for aerospace wiring harnesses requiring flame retardancy and UV stability.

Specifications Of Shin-Etsu CH-3819 Silicone Rubber

Chemical TypeHigh-consistency silicone rubber (HCR), platinum-cured
Product FormTwo-part compound (Part A + Part B)
AppearancePearl-white, homogeneous paste
Shore A Hardness (ASTM D2240)55 ± 3
Tensile Strength (ASTM D412)8.5 MPa min
Elongation at Break (ASTM D412)450% min
Volume Resistivity (ASTM D257)1.0 × 10¹⁵ Ω·cm
UL RecognitionUL 94 V-0 (thickness ≥ 3 mm)


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