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

Shin-Etsu KE-880-U Silicone Rubber

Shin-Etsu KE-880-U is a two-part addition-cure liquid silicone rubber offering excellent flowability, low viscosity, and high thermal stability. Ideal for precision molding of medical devices and electronics, it cures rapidly at room or elevated temperatures with minimal shrinkage and outstanding biocompatibility per ISO 10993.
  • shin etsu ke 880 u silicone rubber_0c9ee43f
  • shin etsu ke 880 u silicone rubber_0c9ee43f

Features Of Shin-Etsu KE-880-U Silicone Rubber

  1. High-transparency, addition-cure liquid silicone rubber with excellent optical clarity and minimal yellowing after curing.

  2. Low viscosity before cure, enabling easy degassing and precise mold filling for complex geometries.

  3. Excellent thermal stability and long-term UV resistance, maintaining mechanical integrity under prolonged exposure.

  4. Biocompatibility compliant with ISO 10993-5 (cytotoxicity) and USP Class VI requirements for medical-grade applications.

  5. Fast room-temperature or heat-assisted cure profile, supporting high-throughput manufacturing without post-bake necessity.

Typical Applications Of Shin-Etsu KE-880-U Silicone Rubber

  1. Optical lenses and light-guiding components in LED lighting and automotive signal systems.

  2. Sealing gaskets and encapsulants for high-reliability electronic modules exposed to thermal cycling.

  3. Medical device components including transparent tubing connectors, sensor housings, and wearable interface parts.

  4. Soft-touch overmolding on precision plastic substrates in consumer electronics and diagnostic equipment.

  5. Microfluidic chip bonding layers and biocompatible microstructure replication in lab-on-a-chip devices.

Specifications Of Shin-Etsy KE-880-U Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-part liquid (Part A + Part B)
Appearance (Uncured)Clear, low-viscosity liquids
Primary ApplicationsOptical, medical, and electronics encapsulation
Key FeaturesHigh transparency, low shrinkage, excellent adhesion to plastics and metals
Shore A Hardness (Cured)40 ± 3
Curing Temperature Range25–120 °C (RT cure possible; accelerated at elevated temps)
Storage Stability (Unmixed)6 months at ≤25 °C in sealed containers


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