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

Shin-Etsu KE-951-U Silicone Rubber

Shin-Etsu KE-951-U is a high-performance addition-cure liquid silicone rubber (LSR) from Shin-Etsu’s KE-950 series, offering excellent thermal stability, low compression set, and precise moldability for medical and automotive precision parts. It cures rapidly at elevated temperatures with platinum catalyst, ensuring consistent reproducibility and biocompatibility per ISO 10993.
  • shin etsu ke 951 u silicone rubber_753f2f7f
  • shin etsu ke 951 u silicone rubber_753f2f7f

Features Of Shin-Etsu KE-951-U Silicone Rubber

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

  2. Low viscosity before curing, enabling precise metering, efficient mold filling, and fine-detail replication.

  3. Fast room-temperature or heat-assisted cure profile, supporting high-throughput manufacturing cycles.

  4. Outstanding biocompatibility, compliant with ISO 10993-5 and USP Class VI for medical-grade applications.

  5. Superior thermal stability (-60 °C to +200 °C continuous service) and low compression set resistance.

Typical Applications Of Shin-Etsu KE-951-U Silicone Rubber

  1. Medical tubing and catheter components requiring clarity, flexibility, and sterilization compatibility.

  2. Optical lenses and light-guiding elements in diagnostic and wearable health devices.

  3. Seals and gaskets for pharmaceutical processing equipment exposed to steam and chemical cleaning agents.

  4. Soft-touch overmolding on precision instruments and handheld medical electronics.

  5. Microfluidic device substrates demanding dimensional accuracy and chemical inertness.

Specifications Of Shin-Etsu KE-951-U Silicone Rubber

Chemical TypePlatinum-cured Liquid Silicone Rubber (LSR)
Product FormTwo-component liquid (Part A + Part B), supplied separately
AppearanceWater-clear, viscous liquid
Shore A Hardness (Cured)50 ± 3
Tensile Strength (Cured)8.0 MPa (ASTM D412)
Elongation at Break (Cured)450% (ASTM D412)
Density1.12 g/cm³ (ISO 2781)
BiocompatibilityISO 10993-5, USP Class VI certified


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