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

Dow SILASTIC RBL-9200-20 Silicone Rubber

Dow SILASTIC RBL-9200-20 is a two-part, platinum-cured liquid silicone rubber (LSR) from Dow’s SILASTIC RBL series. It offers excellent flow, low viscosity, fast cure, and outstanding biocompatibility—ideal for precision medical device molding, including catheters and implants. Meets ISO 10993 and USP Class VI standards.
  • dow silastic rbl 9200 20 silicone rubber_9f0f0731
  • dow silastic rbl 9200 20 silicone rubber_9f0f0731

Features Of Dow SILASTIC RBL-9200-20 Silicone Rubber

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

  2. Outstanding resistance to compression set, maintaining seal integrity over extended service life.

  3. Good processability with low viscosity in uncured state, enabling efficient injection molding and extrusion.

  4. Meets FDA 21 CFR 177.2600 and USP Class VI requirements for biocompatibility.

  5. Thermal stability across a wide operating range (–60 °C to +200 °C).

Typical Applications Of Dow SILASTIC RBL-9200-20 Silicone Rubber

  1. Medical tubing and peristaltic pump components.

  2. Pharmaceutical stoppers and closures for vials and cartridges.

  3. Seals and gaskets in diagnostic equipment and wearable medical devices.

  4. Food-grade seals and fluid-handling components in processing systems.

  5. Automotive under-hood sensors and electrical insulation parts requiring thermal resilience.

Specifications Of Dow SILASTIC RBL-9200-20 Silicone Rubber

Chemical TypePlatinum-cured liquid silicone rubber (LSR)
Product FormTwo-part liquid system (Part A + Part B)
AppearancePale amber, translucent liquid
Shore A Hardness (Cured)20 ± 2
Tensile Strength (ASTM D412)≥ 5.0 MPa
Elongation at Break (ASTM D412)≥ 650 %
Cure Temperature Range110–180 °C (time-dependent)
Primary ApplicationsMedical, pharmaceutical, food contact, and precision industrial sealing


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