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

Dow XIAMETER RBC-7140-60 Silicone Rubber

Dow XIAMETER RBC-7140-60 is a high-consistency silicone rubber (HCR) from Dow’s XIAMETER portfolio offering excellent mechanical strength thermal stability and easy processing for extrusion and compression molding applications in automotive medical and industrial sectors.
  • dow xiameter rbc 7140 60 silicone rubber_f49d93bf
  • dow xiameter rbc 7140 60 silicone rubber_f49d93bf

Features Of Dow XIAMETER RBC-7140-60 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 gasket performance.

  4. Excellent electrical insulation properties and low dielectric loss at high frequencies.

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

Typical Applications Of Dow XIAMETER RBC-7140-60 Silicone Rubber

  1. Automotive under-hood seals and gaskets requiring resistance to oil, coolant, and thermal cycling.

  2. Industrial fluid-handling components including diaphragms, pump valves, and hose liners.

  3. Electrical and electronic encapsulation and potting for power modules and sensor housings.

  4. Medical device components where biocompatibility (per ISO 10993-5/10) and sterilization resistance are required.

  5. Appliance seals and vibration-damping mounts in white goods and HVAC systems.

Specifications Of Dow XIAMETER RBC-7140-60 Silicone Rubber

Chemical TypePlatinum-cured high-consistency silicone rubber (HCR)
Product FormTwo-part system (Part A: base polymer + filler; Part B: platinum catalyst)
AppearanceOpaque, off-white to light gray compound (Part A); colorless to pale yellow liquid catalyst (Part B)
Primary ApplicationsCompression molding, transfer molding, and extrusion of precision elastomeric parts
Key FeaturesLow viscosity before cure, rapid room-temperature or elevated-temperature cure, minimal post-cure shrinkage
BenefitsReduced cycle times, excellent dimensional stability, high tear strength, and consistent batch-to-batch performance
Curing SystemPlatinum-based addition cure (inhibitor-free, no by-products)
Regulatory ComplianceMeets FDA 21 CFR 177.2600 (food contact), USP Class VI, and ISO 10993-5/10 (cytotoxicity)


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