FSE 7140

FSE 7140 is a 40A high strength fluorosilicone rubber.
Product Overview
FSE 7140 is a 40 durometer fluorosilicone rubber used in applications that require exceptional fuel, solvent resistance and low temperature properties. They can be molded, extruded or calendared using different kinds of peroxides. It is generally used in automotive and aerospace applications that require excellent fuel resistance, high tear strength and exceptional low temperature properties.
Product Specifications
Specific gravity: 1.42 ± 0.3
Appearance: Light tan
Polymer classification: FVMQ
Hardness, durometer A: 41
Tensile strength, psi: 1500
Elongation, %: 500
Tear resistance, die B, pi: 165
Compression set, % 22 hrs. @ 177°C (350°F): 15
Primary Chemistry: Fluorosilicone rubber
Features & Benefits
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
Problems Solved
Low strength of fluorosilicone or traditional silicone resins
Difficulties in the processing of fluorosilicones such as molding, calendaring, or extrusion