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

Shin-Etsu CHN-LIMS-50A/B Silicone Rubber

Shin-Etsu CHN-LIMS-50A/B is a two-part addition-cure liquid silicone rubber (LSR) designed for precision LIM (Liquid Injection Molding) processes. Featuring excellent flowability, low viscosity, rapid cure at elevated temperatures, and outstanding biocompatibility per ISO 10993, it delivers high reproducibility and dimensional stability for medical-grade components like seals, gaskets, and wearable device parts.
  • shin etsu chn lims 50a b silicone rubber_5d1e15f6
  • shin etsu chn lims 50a b silicone rubber_5d1e15f6

Features Of Shin-Etsu CHN-LIMS-50A/B Silicone Rubber

  1. Two-part, addition-cure liquid silicone rubber system with excellent processability and low viscosity.

  2. High biocompatibility and compliance with ISO 10993-5 (cytotoxicity) and USP Class VI standards.

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

  4. Low compression set and superior mechanical resilience after prolonged heat aging.

  5. Excellent transparency and optical clarity suitable for medical-grade optical components.

Typical Applications Of Shin-Etsu CHN-LIMS-50A/B Silicone Rubber

  1. Implantable and non-implantable medical devices including catheters, tubing, and seals.

  2. Healthcare wearables requiring skin-contact compatibility and long-term flexibility.

  3. Optical encapsulation for LED-based diagnostic equipment and endoscopic components.

  4. Microfluidic device fabrication due to precise mold replication and low shrinkage.

  5. Pharmaceutical processing gaskets and diaphragms exposed to sterilization cycles.

Specifications Of Shin-Etsu CHN-LIMS-50A/B Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure liquid silicone rubber
Product FormTwo-component (Part A: base; Part B: catalyst)
AppearanceClear, colorless liquid (both parts)
Mixing Ratio (A:B)1:1 by weight
Cure ConditionsAt room temperature (25 °C) or accelerated at 100–150 °C
Shore A Hardness (cured)50 ± 2
Tensile Strength (cured)≥ 7.0 MPa
Elongation at Break (cured)≥ 450%


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