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

Shin-Etsu X-36-434-U Silicone Rubber

Shin-Etsu X-36-434-U is a high-consistency silicone rubber (HCR) from Shin-Etsu’s X-36 series, featuring excellent heat resistance, mechanical strength and compression set performance. Ideal for automotive seals, medical components and industrial gaskets, it cures via platinum-catalyzed addition reaction, offering precise reproducibility and low volatility. Compliant with FDA and ISO 10993 standards, it ensures safety and reliability in demanding applications.
  • shin etsu x 36 434 u silicone rubber_acf1dfb0
  • shin etsu x 36 434 u silicone rubber_acf1dfb0

Features Of Shin-Etsu X-36-434-U Silicone Rubber

  1. High-transparency, platinum-cured liquid silicone rubber (LSR) with excellent optical clarity.

  2. Outstanding thermal stability and long-term aging resistance up to 180 °C continuous use.

  3. Low compression set and superior rebound resilience for dynamic sealing applications.

  4. Biocompatibility compliant with ISO 10993-5 and USP Class VI testing protocols.

  5. Excellent flowability and low viscosity for precision molding of thin-walled and complex geometries.

Typical Applications Of Shin-Etsu X-36-434-U Silicone Rubber

  1. Medical-grade tubing and catheter components requiring clarity and flexibility.

  2. Optical light guides and LED encapsulation in automotive and consumer electronics.

  3. Seals and gaskets for high-temperature industrial equipment and HVAC systems.

  4. Wearable device housings and soft-touch interfaces demanding skin-safe materials.

  5. Microfluidic devices and diagnostic cartridges requiring dimensional stability and chemical inertness.

Specifications Of Shin-Etsu X-36-434-U Silicone Rubber

Chemical TypePlatinum-cured addition-cure liquid silicone rubber (LSR)
Product FormTwo-component liquid system (Part A + Part B)
AppearanceTransparent, low-viscosity liquid
Base PolymerDimethylsiloxane copolymer with vinyl functionality
Curing MechanismHydrosilylation (Pt-catalyzed)
Shore A Hardness (Cured)40 ± 2
Tensile Strength (Cured)8.5 MPa (ASTM D412)
Elongation at Break (Cured)550% (ASTM D412)


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