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

Dow SILASTIC RBL-9200-40 Silicone Rubber

Dow SILASTIC RBL-9200-40 is a high-consistency, platinum-cured silicone rubber offering excellent mechanical strength, thermal stability up to 200°C, and low compression set. Ideal for medical tubing, seals, and precision molded parts requiring biocompatibility per USP Class VI and ISO 10993. Features fast cure, low volatility, and consistent rheology for reliable high-volume production.
  • dow silastic rbl 9200 40 silicone rubber_12f421e7
  • dow silastic rbl 9200 40 silicone rubber_12f421e7

Features Of Dow SILASTIC RBL-9200-40 Silicone Rubber

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

  2. Outstanding compression set resistance at elevated temperatures up to 150 °C.

  3. Good processability via liquid injection molding (LIM) and compatibility with automated production lines.

  4. UL 94 HB flame retardancy without halogen additives, supporting safer material handling.

  5. Biocompatibility support per ISO 10993-5 and USP Class VI testing for medical-grade suitability.

Typical Applications Of Dow SILASTIC RBL-9200-40 Silicone Rubber

  1. Automotive fluid-handling seals and gaskets exposed to oils, coolants, and brake fluids.

  2. Medical device components including tubing connectors, pump diaphragms, and wearable sensor housings.

  3. Industrial automation parts such as pneumatic seals, valve diaphragms, and vibration-damping mounts.

  4. Consumer electronics enclosures requiring thermal stability, electrical insulation, and environmental resilience.

  5. Aerospace non-critical interior seals and vibration isolation pads compliant with low outgassing requirements.

Specifications Of Dow SILASTIC RBL-9200-40 Silicone Rubber

Chemical TypePlatinum-cured liquid silicone rubber (LSR)
Product FormTwo-component (Part A + Part B), ready-to-mix liquid
AppearanceTranslucent, low-viscosity liquid
Shore A Hardness (ASTM D2240)40 ± 2
Tensile Strength (ASTM D412)8.5 MPa (min)
Elongation at Break (ASTM D412)550% (min)
Compression Set (ASTM D395, 22 hrs @ 150 °C)≤ 25%
Primary ApplicationsDynamic seals, medical components, automotive fluid systems


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