Data sheets › FKM › FKM 75
Material for O-rings
FKM 75
Fluoroelastomer · FKM
Bisphenol-curedStandard
Technical data
Material class
FKM
Hardness
77
±5 Shore A
Operating temperature
−25/+200
°C
Density
1.85
g/cm³
Properties
| Property | Test method | Value | Unit |
|---|---|---|---|
| Hardness | ASTM D2240 | 77 ±5 | Shore A |
| Elongation at break | ASTM D412 | 183 | % |
| Tensile strength | ASTM D412 | 14.9 | MPa |
| Compression set | ASTM D395 B1 (22 h / 200 °C) | 22 | % |
| TR-10 | ASTM D1329 | −17 | °C |
| Density | ASTM D1817 | 1.85 ±0.03 | g/cm³ |
Shelf life10 years
Media resistance
Resistant to
- Mineral oils and greases
- Fuels, including aromatic-containing
- Aliphatic, aromatic and chlorinated hydrocarbons
- Many acids
- Ozone, weathering and UV
- High temperatures
Not recommended for
- Ketones
- Esters and ethers
- Amines
- Hot water, steam above 120 °C (prefer EPDM)
- Glycol-based brake fluids
- Hot alkalis
Check resistance against your medium
With our media resistance tool you can check in seconds whether this material is resistant to your medium.
Typical applications
Automotive
Fuel and engine seals
Chemical & process engineering
Pumps, valves, media contact
Oil & gas
aggressive media, high temperature
Hydraulics & pneumatics
with suitable media
Plant & mechanical engineering
Seals with high requirements
High-temperature technology
continuous up to +200 °C
Conformity
All NH materials are REACH- and RoHS-compliant and ADI-free.
REACH-compliantRoHS-compliantADI-free
High-performance O-rings. It doesn't get any simpler.
info@nh-oring.de · +49 (0) 6648 628 969 0