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

Shin-Etsu X-30-3893-U Silicone Rubber

Shin-Etsu X-30-3893-U is a high-performance liquid silicone rubber (LSR) from Shin-Etsu’s X-30 series, featuring excellent thermal stability, low compression set, and rapid vulcanization. Ideal for precision injection molding of medical devices, automotive seals, and consumer electronics components requiring biocompatibility and consistent reproducibility.
  • shin etsu x 30 3893 u silicone rubber_cb4d5685
  • shin etsu x 30 3893 u silicone rubber_cb4d5685

Features Of Shin-Etsu X-30-3893-U Silicone Rubber

  1. High-temperature resistance up to 200 °C continuous service with excellent thermal stability.

  2. Outstanding electrical insulation properties, including low dielectric loss and high volume resistivity.

  3. Excellent flexibility and elongation retention after prolonged thermal aging.

  4. Good resistance to ozone, UV radiation, and weathering without protective coatings.

  5. Platinum-catalyzed addition-cure system enabling precise, reproducible vulcanization with minimal by-products.

Typical Applications Of Shin-Etsu X-30-3893-U Silicone Rubber

  1. High-voltage insulators and bushings for power transmission equipment.

  2. Sealing components in automotive under-hood systems exposed to elevated temperatures.

  3. Electrical encapsulation and potting of sensitive electronic modules and sensors.

  4. Flexible gaskets and seals for industrial control cabinets and outdoor enclosures.

  5. Medical device housings requiring biocompatibility-supporting base polymer formulation (ISO 10993 compatible raw material).

Specifications Of Shin-Etsu X-30-3893-U Silicone Rubber

Chemical TypePlatinum-cured methylvinyl silicone rubber
Product FormTwo-part liquid (Part A: base polymer + filler; Part B: catalyst)
AppearanceTranslucent, viscous liquid (Part A); clear, low-viscosity liquid (Part B)
Shore A Hardness (Cured, 7 days @ 25 °C)38 ± 2
Tensile Strength (ASTM D412)≥ 7.0 MPa
Elongation at Break (ASTM D412)≥ 450 %
Volumetric Resistivity (ASTM D257)≥ 1.0 × 10¹⁴ Ω·cm
Dielectric Strength (ASTM D149)≥ 20 kV/mm


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