Data sheets › ECOLAST › NH5756 HT
Material for O-rings
ECOLAST® NH5756 HT
Perfluoroelastomer · FFKM
ECOLAST®
High temperature
Technical data
Material class
FFKM
Hardness
78
±5 Shore A
Operating temperature
−15/+340
°C
Density
2.00
g/cm³
Properties
| Property | Test method | Value | Unit |
|---|---|---|---|
| Hardness | ASTM D2240 | 78 ±5 | Shore A |
| Elongation at break | ASTM D412 | 140 | % |
| Tensile strength | ASTM D412 | 10.3 | MPa |
| Compression set | ASTM D395 B1 (70 h / 200 °C) | 14 | % |
| TR-10 | ASTM D1329 | −1 | °C |
| Density | ASTM D1817 | 2.00 ±0.03 | g/cm³ |
Shelf life15 years
Polymer contenton request
Media resistance
Resistant to
- Almost all chemicals
- Acids and alkalis, including concentrated
- Aqua regia and oxidizing agents
- Ketones, esters and amines
- Solvents, oils and fuels
- Dry high temperature up to +340 °C
Not recommended for
- Steam and hot water
- Molten alkali metals
- Elemental fluorine
- Chlorine trifluoride and similar
Designed for dry high temperature, not for steam applications.
Check resistance against your medium
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Typical applications
Chemical & process engineering
Pumps, valves, media contact
Aggressive media
Aqua regia, acetone, acids
Extreme high temperature
continuous up to +340 °C
Oil & gas
aggressive media, high temperature
Halbleiter & Beschichtung
dry high-temperature processes
Plant & mechanical engineering
demanding media and temperatures
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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