- Biodegradable hydraulics
ISO VG 32
Biodegradable HFDU hydraulic fluid, less flammable, for sensitive areas
The European Union's voluntary ecolabel for products, including lubricants, with reduced environmental impact across their life cycle.
SS 15 54 34 — environmental requirements for hydraulic fluids (Sweden)
Swedish standard: high biodegradability, low aquatic toxicity, finished fluid not classified as environmentally hazardous; required near groundwater and drinking water sources.
Biodegradable hydraulic fluid HEES — ISO 15380
Class HEES of ISO 15380: a biodegradable hydraulic fluid on a synthetic ester base.
VDMA 24568 — biodegradable hydraulic fluids
The VDMA sheet setting requirements for readily biodegradable hydraulic fluids, including synthetic-ester types.
| Property | Typical value | Method |
|---|---|---|
| Viscosity grade | 32 | |
| ISO fluid type | HEES | ISO 6743-4 |
| Kinematic viscosity @-20°CcSt | 871 | ISO 3104 |
| Kinematic viscosity @40°CcSt | 32.5 | ISO 3104 |
| Kinematic viscosity @100°CcSt | 7.22 | ISO 3104 |
| Viscosity index | 196 | ISO 2909 |
| Density @15°Ckg/m3 | 918 | ISO 12185 |
| Flash point (Cleveland Open Cup)°C | 246 | ISO 2592 |
| Pour point°C | -39 | ISO 3016 |
| Biodegradable% 28days | 79 | OECD 301B |

Environmentally Considerate, Fully Synthetic Hydraulic Fluid. Shell Naturelle Fluid HF-E is an advanced hydraulic fluid for use in hydraulic and power transmission systems. It is readily biodegradable with a low ecotoxicity, and is particularly suited for use in environmentally sensitive areas. Fully synthetic esters, blended with ashless additives, provide Shell Naturelle Fluid HF-E with a superior blend of lubrication performance and environmental acceptability.
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