Data sheets › ECOLAST › NH7700
Material for O-rings
ECOLAST® NH7700
Perfluoroelastomer · FFKM
ECOLAST®
Food & PharmaFDAUSP Class VIEC 1935/2004

Technical data
Material class
FFKM
Hardness
70
±5 Shore A
Operating temperature
−20/+270
°C
Density
2.41
g/cm³
-60 °CFFKM-scale+360 °C
Operating range −20/+270 °C
Properties
| Property | Test method | Value | Unit |
|---|---|---|---|
| Hardness | ASTM D2240 | 70 ±5 | Shore A |
| Elongation at break | ASTM D412 | 135 | % |
| Tensile strength | ASTM D412 | 12.5 | MPa |
| Compression set | ASTM D395 B1 (70 h / 200 °C) | 23 | % |
| TR-10 | ASTM D1329 | −2 | °C |
| Density | ASTM D1817 | 2.41 ±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
- Hot water and steam
- Solvents, oils and fuels
Not recommended for
- Molten alkali metals
- Elemental fluorine
- Chlorine trifluoride and similar
ECOLAST® offers almost universal resistance. Only very few media are excluded.
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
Food
direkter Foodkontakt
Pharma & Medizin
Reinmedien, CIP
beverages
Filling & process technology
Chemical & process engineering
Pumps, valves, media contact
Abfüllung & Verpackung
Dosing and filling systems
Steam & hot water
CIP
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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