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

Dow XIAMETER RBB-2140-50 Silicone Rubber

Dow XIAMETER RBB-2140-50 Silicone Rubber is a high-consistency, platinum-cured elastomer offering excellent mechanical strength, thermal stability (–60°C to 200°C), and low compression set. Designed for precision molding of medical devices, seals, and automotive parts, it delivers consistent cure performance and biocompatibility per ISO 10993.
  • dow xiameter rbb 2140 50 silicone rubber_4df97968
  • dow xiameter rbb 2140 50 silicone rubber_4df97968

Features Of Dow XIAMETER RBB-2140-50 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 high elasticity for reliable sealing and dynamic gasket applications.

  4. Meets UL 94 HB flammability requirements and complies with FDA 21 CFR 177.2600 for food-contact applications.

  5. Consistent batch-to-batch quality with controlled rheology and minimal volatile content after curing.

Typical Applications Of Dow XIAMETER RBB-2140-50 Silicone Rubber

  1. Automotive engine gaskets and vibration-damping mounts.

  2. Medical device components requiring biocompatibility and sterilization resistance.

  3. Food processing equipment seals and sanitary connectors.

  4. Consumer appliance housings and thermal interface pads.

  5. Industrial fluid-handling systems including pump diaphragms and valve seats.

Specifications Of Dow XIAMETER RBB-2140-50 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone elastomer
Product FormTwo-part liquid (Part A: base; Part B: catalyst)
AppearanceOpaque, off-white to light beige paste
Primary ApplicationsCompression-molded seals, gaskets, and technical parts
Key FeaturesHigh tear strength, low compression set, excellent aging resistance
BenefitsReduced post-cure requirements, consistent dimensional stability, easy demolding
Curing SystemHeat-cured (typical: 150 °C for 5–10 minutes)
Regulatory ComplianceFDA 21 CFR 177.2600, RoHS, REACH compliant


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