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

Dow XIAMETER RBB-2035-40 Silicone Rubber

Dow XIAMETER® RBB-2035-40 is a high-strength, heat-resistant liquid silicone rubber (LSR) from Dow’s XIAMETER® portfolio. It offers excellent flow, low compression set, and fast cure—ideal for precision injection molding of automotive seals, medical devices, and consumer electronics components. Meets ISO 10993 and USP Class VI standards.
  • dow xiameter rbb 2035 40 silicone rubber_2344e40f
  • dow xiameter rbb 2035 40 silicone rubber_2344e40f

Features Of Dow XIAMETER RBB-2035-40 Silicone Rubber

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

  2. Outstanding thermal stability across a wide operating temperature range (–60 °C to +200 °C).

  3. Low compression set ensuring long-term sealing performance under continuous stress.

  4. Good electrical insulation properties suitable for electronic encapsulation and high-voltage components.

  5. Easy processability via liquid injection molding (LIM) or compression molding with fast cure kinetics.

Typical Applications Of Dow XIAMETER RBB-2035-40 Silicone Rubber

  1. Automotive fluid handling systems, including coolant and brake line seals.

  2. Medical device components requiring biocompatibility and sterilization resistance.

  3. Industrial gaskets and O-rings exposed to extreme temperatures and aggressive media.

  4. Electrical connectors and insulating housings in power distribution equipment.

  5. Consumer appliance seals for kitchen and laundry equipment requiring food-grade compliance.

Specifications Of Dow XIAMETER RBB-2035-40 Silicone Rubber

Chemical TypePlatinum-cured liquid silicone rubber (LSR)
Product FormTwo-part liquid system (Part A + Part B)
AppearanceTranslucent, low-viscosity liquid
Primary ApplicationsSealing, gasketing, encapsulation, and molded elastomeric parts
Key FeaturesHigh tear resistance, low compression set, thermal stability
BenefitsReduced part weight vs. HTV silicone; improved cycle time in LIM processing
Cure SystemPt-catalyzed addition cure
Shelf Life (unopened, 25 °C)12 months from date of manufacture


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