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

Dow XIAMETER RBB-6660-60 Silicone Rubber

Dow XIAMETER® RBB-6660-60 is a high-consistency, platinum-cured silicone rubber offering excellent mechanical strength, thermal stability up to 200°C, and low compression set. Ideal for extrusion and compression molding, it delivers consistent cure behavior, good electrical insulation, and biocompatibility per ISO 10993. Widely used in automotive, medical, and industrial sealing applications.
  • dow xiameter rbb 6660 60 silicone rubber_96f7998e
  • dow xiameter rbb 6660 60 silicone rubber_96f7998e

Features Of Dow XIAMETER RBB-6660-60 Silicone Rubber

  1. High-consistency, two-part platinum-cured silicone rubber with excellent processability in compression and transfer molding.

  2. Outstanding thermal stability across a wide operating temperature range (–60 °C to +200 °C).

  3. Low compression set and superior mechanical resilience for long-term sealing and dynamic performance.

  4. Excellent electrical insulation properties and resistance to weathering, ozone, and UV exposure.

  5. Meets UL 94 V-0 flammability rating and complies with FDA 21 CFR 177.2600 for food-contact applications.

Typical Applications Of Dow XIAMETER RBB-6660-60 Silicone Rubber

  1. Automotive gaskets and vibration-damping components for powertrain and under-hood systems.

  2. Medical device seals and housings requiring biocompatibility and sterilization resistance (e.g., autoclave, gamma).

  3. Consumer electronics encapsulation and protective overmolding for sensors and connectors.

  4. Industrial fluid-handling seals exposed to oils, coolants, and mild chemicals.

  5. Food processing equipment gaskets and sanitary fittings compliant with global food safety standards.

Specifications Of Dow XIAMETER RBB-6660-60 Silicone Rubber

Chemical TypePlatinum-cured high-consistency silicone rubber (HCR)
Product FormTwo-part system (Part A: base polymer; Part B: platinum catalyst)
AppearancePearl-white, non-tacky compound (Part A); translucent, viscous liquid (Part B)
Hardness (Shore A, cured)60 ± 2
Tensile Strength (ASTM D412)≥ 7.0 MPa
Elongation at Break (ASTM D412)≥ 350 %
Compression Set (70 h @ 200 °C, ASTM D395 Method B)≤ 35 %
Cure SystemPlatinum-based addition cure (no by-products)


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