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

Shin-Etsu X-30-3837-U Silicone Rubber

Shin-Etsu X-30-3837-U is a high-transparency, platinum-cured liquid silicone rubber (LSR) offering excellent flow, low compression set, and superior thermal stability. Designed for precision medical and optical applications, it cures rapidly at 120–150°C with outstanding biocompatibility per ISO 10993 and USP Class VI. Its low viscosity ensures flawless mold filling and fine-detail replication.
  • shin etsu x 30 3837 u silicone rubber_c2bc9304
  • shin etsu x 30 3837 u silicone rubber_c2bc9304

Features Of Shin-Etsu X-30-3837-U Silicone Rubber

  1. High-transparency, optically clear formulation ideal for lighting and optical applications.

  2. Excellent thermal stability with continuous service temperature range from –60 °C to +200 °C.

  3. Low compression set and superior long-term elasticity for reliable sealing performance.

  4. Platinum-catalyzed addition-cure system offering precise control over cure kinetics and minimal byproducts.

  5. UL 94 V-0 rated for flame retardancy without halogenated additives.

Typical Applications Of Shin-Etsu X-30-3837-U Silicone Rubber

  1. LED encapsulation and secondary optical elements (lenses, light guides).

  2. Medical device gaskets and seals requiring biocompatibility and sterilization resistance.

  3. Automotive sensor housings and under-hood sealing components.

  4. Consumer electronics protective seals and interface pads for display modules.

  5. Industrial automation components exposed to thermal cycling and chemical exposure.

Specifications Of Shin-Etsu X-30-3837-U Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure liquid silicone rubber (LSR)
Product FormTwo-part liquid (Part A + Part B), supplied separately
AppearanceTransparent, low-viscosity liquid
Shore A Hardness (Cured, 7 days @ 25 °C)35 ± 2
Tensile Strength (ASTM D412)8.5 MPa min
Elongation at Break (ASTM D412)450% min
Density (ASTM D1505)1.12 g/cm³
UL RecognitionUL 94 V-0, UL 746C, and ISO 10993-5/10 compliant


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

Your Name *

Your Email *

Your Phone

Country

Your Message *