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

Wacker ELASTOSIL N2170 Silicone Rubber

Wacker ELASTOSIL® N2170 is a two-component, addition-cure liquid silicone rubber offering excellent transparency, low viscosity, and outstanding mechanical properties. Ideal for medical devices, baby products, and precision molding, it cures rapidly at room or elevated temperatures with minimal shrinkage and superior biocompatibility per ISO 10993.
  • wacker elastosil n2170 silicone rubber_7f07cba8
  • wacker elastosil n2170 silicone rubber_7f07cba8

Features Of Wacker ELASTOSIL N2170 Silicone Rubber

  1. High biocompatibility, compliant with USP Class VI and ISO 10993-5/-10 for medical device applications.

  2. Excellent thermal stability, maintaining mechanical integrity from –60 °C to +200 °C.

  3. Low compression set (<15% after 72 h at 175 °C), ensuring long-term sealing performance.

  4. Platinum-catalyzed addition cure system offering precise control over pot life and cure kinetics.

  5. Good tear strength and elongation (>450%), enabling reliable performance in dynamic sealing environments.

Typical Applications Of Wacker ELASTOSIL N2170 Silicone Rubber

  1. Medical tubing and fluid handling components for IV systems and dialysis equipment.

  2. Seals and gaskets in pharmaceutical processing equipment requiring cleanroom compatibility.

  3. Encapsulants and protective coatings for sensitive electronic sensors in healthcare devices.

  4. Soft-touch grips and ergonomic housings for handheld diagnostic instruments.

  5. Food-grade seals and pump diaphragms compliant with FDA 21 CFR §177.2600.

Specifications Of Wacker ELASTOSIL N2170 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-curing liquid silicone rubber (LSR)
Product FormTwo-component (Part A + Part B) viscous liquid
AppearanceTranslucent to milky white, homogeneous paste
Shore A Hardness (cured, 7 d @ 23 °C)20 ± 2
Tensile Strength (cured, ISO 37)5.5–6.5 MPa
Elongation at Break (cured, ISO 37)≥450 %
Density (uncured, 23 °C)1.10–1.14 g/cm³
Primary ApplicationsMedical devices, pharmaceutical equipment, food-contact components


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