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

Dow XIAMETER RBL-9205 Silicone Rubber

Dow XIAMETER® RBL-9205 is a high-strength, two-part addition-cure liquid silicone rubber offering excellent tear resistance, low compression set, and outstanding thermal stability. Designed for precision molding of medical devices, seals, and automotive components, it cures rapidly at room or elevated temperatures with minimal shrinkage and superior biocompatibility per ISO 10993.
  • dow xiameter rbl 9205 silicone rubber_62ef9486
  • dow xiameter rbl 9205 silicone rubber_62ef9486

Features Of Dow XIAMETER RBL-9205 Silicone Rubber

  1. High-consistency, two-part addition-cure silicone rubber with excellent processability in compression and transfer molding.

  2. Offers outstanding thermal stability and long-term performance across a wide temperature range (–60 °C to 200 °C).

  3. Low compression set and superior mechanical resilience for demanding sealing and gasketing applications.

  4. Excellent electrical insulation properties and UL 94 HB flame retardancy without halogen additives.

  5. Consistent batch-to-batch reproducibility and optimized for automated manufacturing environments.

Typical Applications Of Dow XIAMETER RBL-9205 Silicone Rubber

  1. Automotive under-hood seals and gaskets requiring resistance to oil, coolant, and thermal cycling.

  2. Industrial fluid-handling components including diaphragms, valve seats, and pump housings.

  3. Electrical and electronic encapsulation for connectors, sensors, and power modules.

  4. Medical device components compliant with ISO 10993 biocompatibility guidelines (when fully cured).

  5. Appliance seals for washing machines, dishwashers, and HVAC systems exposed to moisture and detergents.

Specifications Of Dow XIAMETER RBL-9205 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone elastomer
Product FormTwo-part liquid system (Part A: base; Part B: catalyst)
AppearancePart A: translucent viscous liquid; Part B: translucent low-viscosity liquid
Mix Ratio (A:B)10:1 by weight
Cure Temperature Range100 °C to 180 °C (optimized at 150 °C for 5–10 minutes)
Shore A Hardness (Cured)60 ± 3
Tensile Strength (Cured)8.0 MPa minimum
Elongation at Break (Cured)250% minimum


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