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

Wacker ELASTOSIL N199 Silicone Rubber

Wacker ELASTOSIL® N199 is a platinum-cured liquid silicone rubber (LSR) offering excellent flowability, low viscosity, and outstanding thermal stability. Designed for precision injection molding, it delivers high tear strength, dimensional accuracy, and biocompatibility per ISO 10993. Ideal for medical devices, automotive seals, and consumer electronics components requiring consistent reproducibility and FDA-compliant processing.
  • wacker elastosil n199 silicone rubber_43f3a908
  • wacker elastosil n199 silicone rubber_43f3a908

Features Of Wacker ELASTOSIL N199 Silicone Rubber

  1. High tear strength and excellent elongation for demanding dynamic sealing applications.

  2. Outstanding resistance to compression set, ensuring long-term sealing performance at elevated temperatures.

  3. Good processability in liquid injection molding (LIM) and high reproducibility across production batches.

  4. Meets ISO 10993-5 and USP Class VI requirements for biocompatibility.

  5. Low volatility and minimal extractables, suitable for medical device and food-contact applications.

Typical Applications Of Wacker ELASTOSIL N199 Silicone Rubber

  1. Medical tubing and peristaltic pump components.

  2. Implantable device housings and wearable sensor encapsulation.

  3. Pharmaceutical stoppers and single-use bioprocessing connectors.

  4. Food-grade gaskets and seals for processing equipment.

  5. Precision fluid handling components in diagnostic instruments.

Specifications Of Wacker ELASTOSIL N199 Silicone Rubber

Chemical TypePlatinum-cured addition-cure liquid silicone rubber (LSR)
Product FormTwo-component (A + B) viscous liquid system
AppearanceTranslucent, low-viscosity liquid (Component A); translucent, low-viscosity liquid (Component B)
Shore A Hardness (Cured)19 ± 1
Tensile Strength (Cured)≥ 5.0 MPa
Elongation at Break (Cured)≥ 650 %
Curing Temperature Range110–150 °C
BiocompatibilityISO 10993-5, USP Class VI compliant


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