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

Dow XIAMETER RBB-2081-60 Silicone Rubber

Dow XIAMETER® RBB-2081-60 is a high-consistency silicone rubber (HCR) offering excellent mechanical strength thermal stability and easy processing for compression or injection molding widely used in automotive medical and industrial sealing applications.
  • dow xiameter rbb 2081 60 silicone rubber_6cd915af
  • dow xiameter rbb 2081 60 silicone rubber_6cd915af

Features Of Dow XIAMETER RBB-2081-60 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 processability with low viscosity and consistent flow behavior for efficient injection molding and extrusion.

  4. UL 94 HB flame-retardant rating for enhanced safety compliance in electrical and electronic applications.

  5. Low volatility and minimal extractables, supporting ISO 10993 biocompatibility screening suitability.

Typical Applications Of Dow XIAMETER RBB-2081-60 Silicone Rubber

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

  2. Consumer electronics seals and protective housings for portable devices.

  3. Industrial fluid-handling components, including diaphragms and valve seats.

  4. Medical device enclosures and non-invasive wearable sensor interfaces.

  5. LED lighting encapsulation and thermal interface pads requiring long-term reliability.

Specifications Of Dow XIAMETER RBB-2081-60 Silicone Rubber

Chemical TypePlatinum-cured high-consistency silicone rubber (HCR)
Product FormTwo-part compound (Part A: base polymer + filler; Part B: platinum catalyst)
AppearanceOpaque off-white to light beige gum stock
Hardness (Shore A, ASTM D2240)60 ± 2
Tensile Strength (ASTM D412)7.5 MPa minimum
Elongation at Break (ASTM D412)350% minimum
Specific Gravity (ASTM D297)1.15–1.20
Curing SystemPt-catalyzed addition cure (no by-products)


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