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

Dow XIAMETER RBB-2210-70 Silicone Rubber

Dow XIAMETER® RBB-2210-70 is a high-consistency silicone rubber (HCR) offering excellent mechanical strength, thermal stability, and compression set resistance. Designed for injection molding and extrusion, it delivers consistent cure behavior, low volatility, and FDA-compliant biocompatibility. Ideal for medical devices, automotive seals, and industrial gaskets requiring durability and precision.
  • dow xiameter rbb 2210 70 silicone rubber_6971887f
  • dow xiameter rbb 2210 70 silicone rubber_6971887f

Features Of Dow XIAMETER RBB-2210-70 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 gasketing applications.

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

  5. Excellent electrical insulation properties with stable dielectric strength and volume resistivity.

Typical Applications Of Dow XIAMETER RBB-2210-70 Silicone Rubber

  1. Medical tubing and fluid-handling components for diagnostic and therapeutic devices.

  2. Seals, gaskets, and diaphragms in pharmaceutical processing equipment.

  3. Custom molded parts for wearable health monitoring sensors and housings.

  4. Electrical insulation components in automotive under-hood and EV battery systems.

  5. Food-contact compliant seals and liners for packaging and processing machinery.

Specifications Of Dow XIAMETER RBB-2210-70 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-part liquid (Part A: base; Part B: catalyst)
AppearanceOpaque, off-white to light beige viscous paste
Primary ApplicationsMedical devices, pharmaceutical equipment, food contact, electrical insulation
Key FeaturesUSP Class VI compliant, low extractables, high tear strength
Shore A Hardness (ASTM D2240)70 ± 3
Tensile Strength (ASTM D412)8.5 MPa (typical, cured at 150 °C for 10 min)
Compression Set (ASTM D395, Method B, 22 hrs @ 150 °C)≤ 25%


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