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

Dow XIAMETER RBB-2500-30 Silicone Rubber

Dow XIAMETER® RBB-2500-30 is a high-strength, heat-curable liquid silicone rubber (LSR) from Dow’s XIAMETER® portfolio. Featuring excellent flow, low viscosity, and outstanding thermal stability, it enables precise molding of complex parts. Ideal for medical devices, automotive seals, and consumer electronics due to its biocompatibility, consistency, and rapid cure profile.
  • dow xiameter rbb 2500 30 silicone rubber_c6d2276a
  • dow xiameter rbb 2500 30 silicone rubber_c6d2276a

Features Of Dow XIAMETER RBB-2500-30 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. Easy processability via injection molding, compression molding, or extrusion.

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

  5. Consistent batch-to-batch rheological performance and cure behavior.

Typical Applications Of Dow XIAMETER RBB-2500-30 Silicone Rubber

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

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

  3. Automotive under-hood elastomeric parts requiring thermal and fluid resistance.

  4. Consumer appliance seals for coffee makers, steam irons, and kitchen appliances.

  5. Industrial fluid handling components exposed to hot water, steam, or mild chemicals.

Specifications Of Dow XIAMETER RBB-2500-30 Silicone Rubber

Chemical TypePlatinum-cured high-consistency silicone rubber (HCR)
Product FormUncured compound in sheet or roll form
AppearancePale translucent to off-white, uniform consistency
Hardness (Shore A, ASTM D2240)30 ± 2
Tensile Strength (ASTM D412)≥ 6.0 MPa
Elongation at Break (ASTM D412)≥ 550 %
Compression Set (70 h @ 175 °C, ASTM D395 B)≤ 25 %
Cure SystemPlatinum-based addition cure


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