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

Dow XIAMETER RBB-2003-30 Silicone Rubber

Dow XIAMETER RBB-2003-30 is a high-consistency silicone rubber (HCR) from Dow’s XIAMETER portfolio, designed for injection molding and extrusion. It offers excellent mechanical strength, thermal stability up to 200°C, and low compression set. The 30-shore A hardness grade ensures versatility in medical, automotive, and industrial applications requiring biocompatibility and FDA compliance.
  • dow xiameter rbb 2003 30 silicone rubber_f6037367
  • dow xiameter rbb 2003 30 silicone rubber_f6037367

Features Of Dow XIAMETER RBB-2003-30 Silicone Rubber

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

  2. Good compression set resistance at elevated temperatures up to 150 °C.

  3. Ready-to-use, two-part addition-cure formulation with precise 1:1 mix ratio.

  4. Low viscosity for easy dispensing, potting, and mold filling without air entrapment.

  5. UL 94 HB rated and compliant with RoHS and REACH regulations.

Typical Applications Of Dow XIAMETER RBB-2003-30 Silicone Rubber

  1. Automotive under-hood gaskets and vibration-damping mounts.

  2. Electrical insulation components in power electronics and EV battery modules.

  3. Medical device housings requiring biocompatibility support (ISO 10993-5 tested).

  4. Industrial sensors and actuators exposed to thermal cycling and mechanical stress.

  5. Consumer appliance seals for cooktops, coffee makers, and HVAC systems.

Specifications Of Dow XIAMETER RBB-2003-30 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-component liquid (Part A + Part B)
AppearanceTranslucent, low-viscosity liquid (Part A); translucent liquid (Part B)
Mix Ratio (by weight)1:1
Cure Temperature RangeRoom temperature to 150 °C
Shore A Hardness (7 days, 23 °C)30 ± 3
Tensile Strength (ASTM D412)6.5 MPa typical
Elongation at Break (ASTM D412)450% typical


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