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

Dow XIAMETER RBB-2130-80 Silicone Rubber

Dow XIAMETER® RBB-2130-80 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 superior electrical insulation—ideal for automotive, medical, and industrial sealing applications.
  • dow xiameter rbb 2130 80 silicone rubber_e0139b1d
  • dow xiameter rbb 2130 80 silicone rubber_e0139b1d

Features Of Dow XIAMETER RBB-2130-80 Silicone Rubber

  1. High tear strength and excellent elongation for demanding dynamic sealing applications.

  2. Good compression set resistance at elevated temperatures up to 175 °C.

  3. Consistent rheology and processability in high-speed injection molding and extrusion.

  4. Meets FDA 21 CFR 177.2600 and USP Class VI requirements for medical and food-contact use.

  5. Low volatility and minimal extractables, supporting clean manufacturing environments.

Typical Applications Of Dow XIAMETER RBB-2130-80 Silicone Rubber

  1. Medical device components including tubing, seals, gaskets, and pump diaphragms.

  2. Food-grade seals and gaskets for processing equipment and packaging machinery.

  3. Automotive fluid handling components such as coolant and brake system seals.

  4. Consumer appliance parts requiring thermal stability and biocompatibility.

Specifications Of Dow XIAMETER RBB-2130-80 Silicone Rubber

Chemical TypeHigh-consistency silicone rubber (HCR), platinum-cured
Product FormTwo-part compound (Part A: base; Part B: platinum catalyst)
AppearanceOff-white to light tan, uniform dough-like consistency
Shore A Hardness (ASTM D2240)80 ± 2
Tensile Strength (ASTM D412)≥ 8.0 MPa
Elongation at Break (ASTM D412)≥ 350 %
Compression Set (ASTM D395, 22 hrs @ 175 °C)≤ 25 %
Primary ApplicationsMedical devices, food processing equipment, automotive fluid systems


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