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

Wacker ELASTOSIL 5100 Silicone Rubber

Wacker ELASTOSIL® 5100 is a two-component, addition-cure liquid silicone rubber (LSR) offering excellent flowability, low viscosity, and high tear strength. Ideal for precision injection molding of medical devices, baby care items, and technical parts requiring biocompatibility and thermal stability up to 200°C. Meets ISO 10993 and USP Class VI standards.
  • wacker elastosil 5100 silicone rubber_b9db8240
  • wacker elastosil 5100 silicone rubber_b9db8240

Features Of Wacker ELASTOSIL 5100 Silicone Rubber

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

  2. Fast room-temperature vulcanization (RTV) with low-viscosity, easy-to-disperse two-component system.

  3. Outstanding resistance to weathering, UV radiation, and ozone exposure.

  4. Good adhesion to common substrates including glass, metals, and plastics without primer.

  5. Biocompatibility tested per ISO 10993-5 and suitable for medical device assembly where direct patient contact is not required.

Typical Applications Of Wacker ELASTOSIL 5100 Silicone Rubber

  1. Sealing and bonding of architectural glazing systems and façade elements.

  2. Encapsulation and potting of electronic components in outdoor environments.

  3. Manufacturing of flexible gaskets and vibration-damping mounts for automotive interiors.

  4. Assembly of medical equipment housings and diagnostic devices requiring cleanroom-compatible materials.

  5. Production of industrial prototypes and functional models via silicone molding.

Specifications Of Wacker ELASTOSIL 5100 Silicone Rubber

Chemical TypeTwo-part addition-cure liquid silicone rubber (LSR)
Product FormLiquid, A+B components (1:1 mix ratio by weight)
AppearanceTranslucent, low-viscosity paste (Part A); translucent liquid catalyst (Part B)
Shore A Hardness (7 days, 23°C)50 ± 3
Tensile Strength (ISO 37)8.5 MPa (typical)
Elongation at Break (ISO 37)380% (typical)
Operating Temperature Range−60°C to +180°C (continuous)
ComplianceMeets FDA 21 CFR §177.2600 for indirect food contact; RoHS and REACH compliant


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