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Material for O-rings
FKM 75 FDA
Fluoroelastomer · FKM
Peroxide-curedFood & PharmaFDAEC 1935/2004
Technical data
Material class
FKM
Hardness
75
±5 Shore A
Operating temperature
−25/+200
°C
Density
1.84
g/cm³
Properties
| Property | Test method | Value | Unit |
|---|---|---|---|
| Hardness | ASTM D2240 | 75 ±5 | Shore A |
| Elongation at break | ASTM D412 | 300 | % |
| Tensile strength | ASTM D412 | 16.5 | MPa |
| Compression set | ASTM D395 B1 (22 h / 200 °C) | 15 | % |
| TR-10 | ASTM D1329 | −14 | °C |
| Density | ASTM D1817 | 1.84 ±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
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Typical applications
Food technology
Contact with food
Pharma & medical
hygienic processes
Beverage industry
Filling and flavourings
Chemical & process engineering
Pumps, valves, media contact
Filling & packaging
Systems with media contact
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.
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