Eni Arnica ESB 32
Readily biodegradable hydraulic oil based on saturated synthetic esters
ISO VG 32
| Property | Typical value | Method |
|---|---|---|
| ISO fluid type | HEES | ISO 6743-4 |
| Kinematic viscosity @-20°Cmm2/s | 4 112 | ASTM D445 |
| Kinematic viscosity @40°Cmm2/s | 69 | ASTM D445 |
| Kinematic viscosity @100°Cmm2/s | 12 | ASTM D445 |
| Viscosity index | 171 | ASTM D2270 |
| Densitykg/m3 | 921 | ASTM D4052 |
| Flash point°C | 222 | ASTM D92 |
| Colour (ASTM) | 1 | ASTM D130 |
| Water separability @54°Cminutes | 30 | ASTM D1401 |
| Pour point°C | -48 | ASTM D97 |
| Biodegradability after 28days % minimum | 60 | OECD 301B |
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Hydraulic fluid - high performance, readily biodegradable, saturated synthetic esters. Shell PANOLIN S4 HLP Synth EAL is formulated with zinc-free additive technology and high-performance fully synthetic saturated esters to help provide an outstanding blend of lubrication performance and environmental acceptability. Readily biodegradable with a low ecotoxicity, Shell PANOLIN S4 HLP Synth EAL hydraulic fluids are particularly suited for use in environmentally sensitive areas where eco-label compliance is required, including US waters. For use in stationary and mobile hydraulic systems including marine and deck equipment, construction, and forestry.
Biodegradable hydraulic fluid HEES — ISO 15380
The international standard for biodegradable hydraulic fluids; class HEES is the synthetic ester type, the most used where a leak would reach water or soil.
The European Union's voluntary ecolabel, certifying that a product, including lubricants, meets reduced-environmental-impact criteria across its life cycle.
OECD 301B biodegradability above 60 %
A test result rather than a norm: OECD 301B measures the carbon dioxide evolved over 28 days. Above 60 % counts as "readily biodegradable", the threshold the environmental labels require.