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FSE 7540 is a 40A, general-purpose fluorosilicone rubber that offers exceptional resistance to fuels, solvents, and extreme temperatures.
Momentive FSE 7540 is a 40-durometer fluorosilicone rubber commonly used in applications that demand exceptional resistance to fuel, solvents, and low temperatures. Various types of blended peroxides allow FSE 7540 fluorosilicone to be customized and shaped, extruded, or calendered. Fuel resistance, high rip strength, and outstanding low-temperature qualities are some of its most common uses in the automotive and aerospace industries.
Appearance: White
Density: 1.39 g/cm³
Hardness, Shore A: 40
Tensile strength: 8.3 N/mm²
Elongation at break: 380%
Tear strength: 18 N/mm
Compression set (22 hrs @ 177°C): 8%
Rebound resilience: 23%
Primary Chemistry: Fluorosilicone rubber
Low compression set
Excellent solvent resistance
Resistance to oils
Low-temperature flexibility
Suitable for high-temperature applications
Consistent physical properties over a wide temperature range
Easily pigmentable and blendable
Limited chemical or temperature resistance of traditional silicones
Poor flexibility of fluorosilicones at low temperatures
Pigmentation difficulties with fluorosilicone rubbers
Gaskets
Seals
Connectors
Sheets
Hoses
Fuel bladders
O-Rings
Learn about Momentive range of fluorosilicone elastomers that are excellent for a wide range of industrial and transportation harsh conditions.
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