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

Dow XIAMETER RBB-2004-50 Silicone Rubber

Dow XIAMETER® RBB-2004-50 is a high-strength, platinum-cured liquid silicone rubber (LSR) offering excellent flow, low viscosity, and rapid cure. Ideal for precision molding of medical devices, automotive seals, and consumer electronics due to its biocompatibility, thermal stability, and consistent mechanical performance across batch runs.
  • dow xiameter rbb 2004 50 silicone rubber_ff21beee
  • dow xiameter rbb 2004 50 silicone rubber_ff21beee

Features Of Dow XIAMETER RBB-2004-50 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 durable sealing and dynamic gasket applications.

  4. Meets ISO 10993-5 and USP Class VI biocompatibility requirements for medical device manufacturing.

  5. Consistent batch-to-batch reproducibility and optimized viscosity balance for reliable mold filling and minimal air entrapment.

Typical Applications Of Dow XIAMETER RBB-2004-50 Silicone Rubber

  1. Medical-grade seals and gaskets for diagnostic equipment and drug delivery devices.

  2. Encapsulants and protective housings for implantable and wearable health electronics.

  3. Food-contact compliant components in beverage dispensing systems and kitchen appliances.

  4. Automotive fluid-handling seals exposed to engine bay temperatures and aggressive media.

  5. Industrial automation components requiring high-cycle fatigue resistance and dimensional stability.

Specifications Of Dow XIAMETER RBB-2004-50 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone elastomer
Product FormTwo-part liquid system (Part A: base; Part B: catalyst)
AppearanceOpaque, off-white paste (Part A); translucent, light-yellow liquid (Part B)
Primary ApplicationsMedical devices, food contact, automotive sealing, industrial gaskets
Key FeaturesBiocompatible, low compression set, thermally stable, moldable
BenefitsReduced post-cure time, excellent tear strength, minimal outgassing
Curing SystemAddition cure (hydrosilylation), no by-products formed
Storage ConditionsStore at 15–25 °C; protect from moisture and direct sunlight


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