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

Dow XIAMETER RBB-2030-40 Silicone Rubber

Dow XIAMETER® RBB-2030-40 is a high-consistency silicone rubber (HCR) offering excellent mechanical strength thermal stability and compression set resistance. Designed for demanding automotive medical and industrial applications it features fast vulcanization low volatility and superior processability in injection molding and extrusion.
  • dow xiameter rbb 2030 40 silicone rubber_c6db985e
  • dow xiameter rbb 2030 40 silicone rubber_c6db985e

Features Of Dow XIAMETER RBB-2030-40 Silicone Rubber

  1. High-temperature stability up to 200 °C for extended service life in demanding thermal environments.

  2. Excellent compression set resistance, maintaining sealing integrity after prolonged deformation.

  3. Good electrical insulation properties with low dielectric loss across wide frequency and temperature ranges.

  4. Easy to process via injection molding, extrusion, or compression molding without pre-curing.

  5. Meets UL 94 HB flammability rating and complies with RoHS and REACH regulatory requirements.

Typical Applications Of Dow XIAMETER RBB-2030-40 Silicone Rubber

  1. Automotive engine compartment gaskets and seals exposed to heat and oil mist.

  2. Electrical insulation components for power distribution systems and EV charging interfaces.

  3. Industrial hose linings requiring flexibility, chemical resistance, and thermal resilience.

  4. Medical device housings and non-implantable components where biocompatibility (ISO 10993-5 tested) is required.

  5. Consumer electronics enclosures needing EMI shielding support and long-term dimensional stability.

Specifications Of Dow XIAMETER RBB-2030-40 Silicone Rubber

Chemical TypeHigh-consistency silicone rubber (HCR), platinum-cured
Product FormUncured gum stock in standard slabs or rolls
AppearanceOff-white to light tan, uniform elastomeric sheet
Hardness (Shore A, ASTM D2240)40 ± 2
Tensile Strength (ASTM D412)≥ 6.0 MPa
Elongation at Break (ASTM D412)≥ 450 %
Compression Set (22 h @ 175 °C, ASTM D395 Method B)≤ 25 %
Primary ApplicationsSealing, insulation, and structural elastomeric components


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