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

Dow XIAMETER RBB-2002-50 Silicone Rubber

Dow XIAMETER® RBB-2002-50 is a high-consistency silicone rubber (HCR) from Dow’s XIAMETER® portfolio, designed for injection molding and extrusion. It offers excellent mechanical strength, thermal stability up to 200°C, and low compression set. Ideal for automotive seals, medical tubing, and industrial gaskets requiring FDA-compliant, platinum-cured performance.
  • dow xiameter rbb 2002 50 silicone rubber_b343b3ac
  • dow xiameter rbb 2002 50 silicone rubber_b343b3ac

Features Of Dow XIAMETER RBB-2002-50 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 processability with low viscosity before curing, enabling efficient mixing, dispensing, and mold filling.

  4. Platinum-catalyzed addition cure system offering precise control, minimal by-products, and excellent repeatability.

  5. UL 94 HB flame retardancy rating as supplied, supporting compliance in regulated electrical applications.

Typical Applications Of Dow XIAMETER RBB-2002-50 Silicone Rubber

  1. Thermal interface materials (TIMs) for power electronics and LED lighting assemblies.

  2. Sealing gaskets and encapsulants in automotive powertrain and battery management systems.

  3. Insulating pads and vibration-damping components in industrial control units and sensors.

  4. Dielectric encapsulation for high-voltage connectors and renewable energy inverters.

Specifications Of Dow XIAMETER RBB-2002-50 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure liquid silicone rubber (LSR)
Product FormTwo-part liquid system (Part A: base; Part B: catalyst)
Appearance (Uncured)Translucent, low-viscosity liquid
Shore A Hardness (Cured, 7 days @ 25 °C + post-cure)50 ± 3
Specific Gravity (25 °C)1.12–1.16
Primary ApplicationsThermal management, electrical insulation, sealing, and protective encapsulation
Key FeaturesLow compression set, high thermal stability, addition-cure chemistry, good flow characteristics
BenefitsImproved reliability in elevated-temperature operation, consistent part-to-part performance, reduced outgassing vs. peroxide-cure systems


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