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

Shin-Etsu FE-241-U Fluorosilicone Rubber

Shin-Etsu FE-241-U Fluorosilicone Rubber is a high-performance elastomer combining silicone flexibility with fluorocarbon chemical resistance. It offers exceptional thermal stability (-60°C to 200°C), low compression set, and outstanding resistance to fuels, oils, solvents, and aerospace fluids. Ideal for demanding sealing applications in aviation, automotive, and energy sectors where reliability under extreme conditions is critical.
  • shin etsu fe 241 u fluorosilicone rubber_9d96b204
  • shin etsu fe 241 u fluorosilicone rubber_9d96b204

Features Of Shin-Etsu FE-241-U Fluorosilicone Rubber

  1. Excellent resistance to fuels, lubricants, and aggressive hydrocarbon-based fluids across wide temperature ranges.

  2. Superior high-temperature stability with continuous service capability up to 200 °C.

  3. Outstanding low-temperature flexibility down to –60 °C without embrittlement.

  4. Good compression set resistance for long-term sealing performance in dynamic applications.

  5. Enhanced weathering and ozone resistance compared to standard silicone elastomers.

Typical Applications Of Shin-Etsu FE-241-U Fluorosilicone Rubber

  1. Aerospace fuel system seals and gaskets exposed to jet fuels and hydraulic fluids.

  2. Automotive turbocharger hose linings and sensor diaphragms requiring oil/fuel compatibility.

  3. Oil & gas downhole instrumentation seals operating in sour gas (H₂S) and hydrocarbon environments.

  4. Industrial fluid handling components for chemical processing equipment.

  5. High-reliability electrical connectors and cable jackets in harsh thermal/chemical conditions.

Specifications Of Shin-Etsu FE-241-U Fluorosilicone Rubber

Chemical TypeFluorosilicone elastomer (VMQ-based with trifluoropropyl methyl siloxane units)
Product FormTwo-part liquid silicone rubber (LSR) — Part A (base) + Part B (platinum catalyst)
AppearancePale yellow translucent liquid (Part A); colorless to pale yellow liquid (Part B)
Shore A Hardness (Cured, 7 days @ 150 °C)55 ± 3
Tensile Strength (ASTM D412)8.0 MPa min
Elongation at Break (ASTM D412)180% min
Compression Set (ASTM D395, Method B, 70 hrs @ 175 °C)≤ 35%
Key Features SummaryFuel/oil resistance, wide service temperature range (–60 °C to +200 °C), platinum-cured, low volatility


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