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

Wacker ELASTOSIL N198 Silicone Rubber

Wacker ELASTOSIL® N198 is a high-consistency, platinum-cured silicone rubber offering excellent mechanical strength, thermal stability up to 200°C, and outstanding elongation. Ideal for extrusion and compression molding, it delivers low compression set, superior electrical insulation, and biocompatibility per ISO 10993. Widely used in automotive, medical, and industrial sealing applications.
  • wacker elastosil n198 silicone rubber_40d517e7
  • wacker elastosil n198 silicone rubber_40d517e7

Features Of Wacker ELASTOSIL N198 Silicone Rubber

  1. High transparency and excellent optical clarity for demanding aesthetic applications.

  2. Platinum-catalyzed addition curing system ensures low shrinkage and high dimensional stability.

  3. Outstanding biocompatibility, compliant with ISO 10993 and USP Class VI requirements.

  4. Excellent resistance to aging, UV radiation, and extreme temperatures (–60 °C to +200 °C).

  5. Low compression set and superior elasticity for long-term sealing and dynamic performance.

Typical Applications Of Wacker ELASTOSIL N198 Silicone Rubber

  1. Medical devices including implantable components and wearable health sensors.

  2. Optically clear encapsulation for LED lighting and photonic modules.

  3. Food-contact gaskets and seals in processing equipment.

  4. High-purity tubing and diaphragms for pharmaceutical fluid handling systems.

  5. Precision molds for optical lenses and microfluidic chips.

Specifications Of Wacker ELASTOSIL N198 Silicone Rubber

Chemical TypePlatinum-cured liquid silicone rubber (LSR)
Product FormTwo-component liquid system (Part A + Part B)
AppearanceClear, viscous liquid
Shore A Hardness (cured)18 ± 2
Tensile Strength (ASTM D412)5.5 MPa (min)
Elongation at Break (ASTM D412)750 % (min)
Curing Temperature Range100–180 °C
BiocompatibilityISO 10993-5/-10/-11 and USP Class VI certified


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