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

Dow XIAMETER RBB-2005-50 Silicone Rubber

Dow XIAMETER® RBB-2005-50 is a high-strength, two-part addition-cure liquid silicone rubber offering excellent flow, low viscosity, and rapid room-temperature or elevated-temperature curing. Ideal for precision molding, encapsulation, and medical device applications, it delivers superior biocompatibility, thermal stability, and dimensional accuracy per ISO 10993 and USP Class VI standards.
  • dow xiameter rbb 2005 50 silicone rubber_a5d78a47
  • dow xiameter rbb 2005 50 silicone rubber_a5d78a47

Features Of Dow XIAMETER RBB-2005-50 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 resilience for dynamic sealing and gasketing applications.

  4. Meets ISO 10993-5 biocompatibility requirements for non-implantable medical device components.

  5. Excellent electrical insulation properties and resistance to UV, ozone, and weathering.

Typical Applications Of Dow XIAMETER RBB-2005-50 Silicone Rubber

  1. Medical device seals, gaskets, and housings for diagnostic and therapeutic equipment.

  2. Automotive under-hood components including sensor boots, ignition caps, and fluid-resistant seals.

  3. Industrial sealing solutions for HVAC systems, pumps, and compressors operating in harsh environments.

  4. Consumer electronics enclosures and protective elastomeric interfaces requiring flame-retardant alternatives.

  5. Food-contact compliant gaskets and liners for processing equipment (per FDA 21 CFR 177.2600).

Specifications Of Dow XIAMETER RBB-2005-50 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-part liquid system (Part A: base; Part B: catalyst)
AppearanceOpaque, off-white to light beige viscous paste
Primary ApplicationsCompression molding, transfer molding, and extrusion of high-performance elastomeric parts
Key FeaturesLow volatility, minimal post-cure shrinkage, and excellent green strength
BenefitsReduced cycle times, high dimensional stability, and consistent batch-to-batch reproducibility
Curing SystemRoom temperature mixing followed by heat cure (typically 120–170 °C)
Storage Stability≥6 months at ≤25 °C when sealed and protected from moisture


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