ESS40FS is 40-durometer calendered fluorosilicone sheeting that meets AMS-R-25988 Type 2 Class 1 Grade 40 requirements. Various thicknesses and widths are available.
This spec-grade material offers excellent resistance to dilute acids and alkalines, as well as non-polar fluids like petroleum oils, hydrocarbon fuels, diester, and silicones oils.
Applications include aerospace, defense, and automotive.
Key Characteristics
- Resists high temperatures up to 450ºF (500ºF intermittent)
- Resists low temperatures down to -80ºF
- Excellent for static and dynamic seals, gaskets, and O-rings
- Fabricated with high-quality raw materials
- Low compression set
- UZ / ozone resistant
- Excellent electrical insulator
- Produced with ingredients per FDA Title 21 CFR 177.2600
- Specification: AMS-R-25988 TY2 CL1 GR40
Physical Properties
- Specific Gravity (g/cc): 1.41
- Durometer (Shore A) 40 +/-5
- Tensile Strength (psi): 1200
- Elongation (%): 600
- Tear (ppi, Die “B”): 153
- Vol Swell % Ref Fuel B 70 hrs. @ 23°C: 17
Ordering Information
Please contact ElastaPro for more details.
