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

Dow XIAMETER RBB-2100-30 Silicone Rubber

Dow XIAMETER® RBB-2100-30 is a high-consistency silicone rubber (HCR) from Dow’s XIAMETER® portfolio, offering excellent mechanical strength, thermal stability, and compression set resistance. Ideal for extrusion and compression molding, it cures rapidly with peroxide or platinum systems and meets FDA/USP Class VI requirements for medical and food-contact applications.
  • dow xiameter rbb 2100 30 silicone rubber_fe944859
  • dow xiameter rbb 2100 30 silicone rubber_fe944859

Features Of Dow XIAMETER RBB-2100-30 Silicone Rubber

  1. High-temperature stability up to 200 °C for extended service life in demanding thermal environments.

  2. Excellent compression set resistance, maintaining sealing integrity after prolonged deformation.

  3. Good electrical insulation properties with stable dielectric performance across wide temperature and humidity ranges.

  4. Platinum-catalyzed addition cure system enabling precise, low-shrinkage molding without byproducts.

  5. Consistent rheology and processing behavior for reliable extrusion, injection molding, and transfer molding.

Typical Applications Of Dow XIAMETER RBB-2100-30 Silicone Rubber

  1. Automotive under-hood gaskets and seals exposed to engine heat and fluid contact.

  2. Electrical and electronic encapsulation for power modules, connectors, and sensor housings.

  3. Industrial fluid-handling components including diaphragms, valve seats, and pump seals.

  4. Medical device components requiring biocompatibility support (ISO 10993 tested per formulation).

  5. Appliance seals for cooking, heating, and HVAC systems requiring long-term thermal resilience.

Specifications Of Dow XIAMETER RBB-2100-30 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure liquid silicone rubber (LSR)
Product FormTwo-part liquid system (Part A + Part B)
AppearanceViscous, translucent liquid (Part A); viscous, translucent liquid (Part B)
Shore A Hardness (Cured, 7 days @ 25 °C + post-cure)30 ± 2
Tensile Strength (ASTM D412)6.5 MPa typical
Elongation at Break (ASTM D412)550% typical
Volume Resistivity (ASTM D257)>1 × 10¹⁴ Ω·cm
Thermal Conductivity0.18 W/m·K


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