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

Shin-Etsu FE-271-U Fluorosilicone Rubber

Shin-Etsu FE-271-U is a high-performance fluorosilicone rubber offering exceptional resistance to fuels, oils, and extreme temperatures (–60°C to 200°C). It combines silicone flexibility with fluorocarbon chemical stability, enabling reliable sealing in aerospace and automotive applications. This FDA-compliant compound features excellent compression set resistance and low-temperature elasticity, making it ideal for demanding dynamic seals and gaskets where conventional silicones fail.
  • shin etsu fe 271 u fluorosilicone rubber_a65fc954
  • shin etsu fe 271 u fluorosilicone rubber_a65fc954

Features Of Shin-Etsu FE-271-U Fluorosilicone Rubber

  1. Excellent resistance to fuels, lubricants, and aggressive hydrocarbon-based fluids.

  2. Broad operating temperature range from –60 °C to +200 °C with retained elasticity.

  3. Superior compression set resistance compared to standard silicone elastomers.

  4. Good electrical insulation properties across wide temperature and frequency ranges.

  5. Low extractables and high purity, suitable for demanding aerospace and medical device applications.

Typical Applications Of Shin-Etsu FE-271-U Fluorosilicone Rubber

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

  2. Automotive under-hood components requiring resistance to engine oils and transmission fluids.

  3. Oil & gas downhole instrumentation seals subjected to sour gas and aromatic hydrocarbons.

  4. Medical device tubing and diaphragms where biocompatibility and chemical inertness are critical.

  5. High-reliability electronic enclosures and connector seals in harsh industrial environments.

Specifications Of Shin-Etsu FE-271-U Fluorosilicone Rubber

Chemical TypeFluorosilicone elastomer (FVMQ)
Product FormUncured compound (peroxide-curable)
AppearanceOff-white to light tan homogeneous gum
Hardness (Shore A, ASTM D2240)65 ± 3
Tensile Strength (ASTM D412)≥ 8.0 MPa
Elongation at Break (ASTM D412)≥ 180 %
Compression Set (24 h @ 175 °C, ASTM D395 Method B)≤ 35 %
Primary ApplicationsFuel-resistant seals, high-temp gaskets, precision molded parts


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