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

Dow XIAMETER RBB-2100-50 Silicone Rubber

Dow XIAMETER® RBB-2100-50 is a high-consistency silicone rubber (HCR) offering excellent mechanical strength thermal stability and compression set resistance. Designed for injection molding and compression molding it delivers consistent flow low volatility and reliable vulcanization. Ideal for automotive medical and industrial applications requiring durability and biocompatibility per ISO 10993.
  • dow xiameter rbb 2100 50 silicone rubber_66f81eba
  • dow xiameter rbb 2100 50 silicone rubber_66f81eba

Features Of Dow XIAMETER RBB-2100-50 Silicone Rubber

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

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

  3. Low compression set and superior resilience for long-term sealing and dynamic gasket performance.

  4. Excellent electrical insulation properties and UL 94 HB flammability rating.

  5. Good resistance to weathering, ozone, and UV exposure without requiring additional stabilizers.

Typical Applications Of Dow XIAMETER RBB-2100-50 Silicone Rubber

  1. Automotive under-hood seals and gaskets exposed to high temperatures and engine fluids.

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

  3. Electrical and electronic enclosures requiring reliable environmental sealing and dielectric integrity.

  4. Medical device housings and non-implantable components compliant with ISO 10993-5 cytotoxicity testing.

  5. Appliance seals for cooktops, ovens, and HVAC systems demanding consistent performance at elevated temperatures.

Specifications Of Dow XIAMETER RBB-2100-50 Silicone Rubber

Chemical TypePlatinum-cured high-consistency silicone rubber (HCR)
Product FormTwo-part kit: Part A (base polymer + filler), Part B (platinum catalyst)
AppearanceOff-white to light beige, homogeneous gum-like material
Primary ApplicationsCompression molding, transfer molding, and extrusion of durable elastomeric parts
Key FeaturesHigh tear strength, low compression set, excellent dimensional stability
BenefitsReduced post-cure requirements, consistent batch-to-batch performance, broad processing window
Curing SystemPt-catalyzed addition cure (hydrosilylation)
Shelf Life12 months from date of manufacture when stored at ≤25 °C in original unopened packaging


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