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

Dow XIAMETER RBL-9050-50P Silicone Rubber

Dow XIAMETER RBL-9050-50P is a high-performance liquid silicone rubber (LSR) from Dow’s XIAMETER brand, offering excellent flow, low viscosity, and rapid room-temperature vulcanization. Ideal for precision molding of medical devices, seals, and consumer goods, it delivers consistent cure, superior biocompatibility, and outstanding thermal stability across demanding applications.
  • dow xiameter rbl 9050 50p silicone rubber_6ced5340
  • dow xiameter rbl 9050 50p silicone rubber_6ced5340

Features Of Dow XIAMETER RBL-9050-50P Silicone Rubber

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

  2. Outstanding thermal stability and long-term performance across a wide temperature range (–60 °C to 200 °C).

  3. Low compression set and superior elasticity for reliable sealing and dynamic gasket applications.

  4. Excellent electrical insulation properties and UL 94 HB flammability rating.

  5. Good resistance to ozone, UV radiation, and weathering without post-cure requirement.

Typical Applications Of Dow XIAMETER RBL-9050-50P Silicone Rubber

  1. Automotive engine and transmission gaskets requiring high-temperature resilience.

  2. Industrial sealing components for pumps, valves, and fluid-handling systems.

  3. Electrical enclosures and insulating housings in power distribution equipment.

  4. Appliance seals for cooktops, ovens, and HVAC units exposed to thermal cycling.

  5. Medical device housings where biocompatibility-compliant materials are required (per ISO 10993-5/10 when fully cured).

Specifications Of Dow XIAMETER RBL-9050-50P Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-part liquid system (Part A: base; Part B: catalyst)
AppearanceOpaque, off-white to light gray paste (Part A); translucent, pale yellow liquid (Part B)
Base PolymerDimethylvinylsiloxane-methylvinylsiloxane copolymer
Curing SystemPt-based hydrosilylation cure
Mix Ratio (A:B)10:1 by weight
Shore A Hardness (ASTM D2240)50 ± 3
Primary ApplicationsStatic and dynamic sealing, electrical insulation, thermal management components


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