Shell Naturelle Fluid HF-E 15
Biodegradable HFDU hydraulic fluid, less flammable, for sensitive areas
- Biodegradable hydraulics
ISO VG 15
Biodegradable HEES hydraulic fluid, the first Bosch-approved one
Biodegradable hydraulic fluid HEES — ISO 15380
Class HEES of ISO 15380: a biodegradable hydraulic fluid on a synthetic ester base.
Oxidation stability test method for turbine-type oils, part 3
ISO 4263 sets out test methods for the oxidation of inhibited turbine-type/hydraulic oils; part 3 describes a dry TOST variant.
OECD 301B biodegradability above 60 %
OECD test measuring carbon dioxide evolved over 28 days; above 60 % counts as "readily biodegradable".
Japanese Eco Mark environmental certification
Voluntary Japanese certification for reduced environmental impact over a product's life cycle.
| Property | Typical value | Method |
|---|---|---|
| ISO fluid type | HEES | ISO 6743-4 |
| Kinematic viscosity @-20°Cmm2/s | 520 | ASTM D445 |
| Kinematic viscosity @40°Cmm2/s | 15.6 | ASTM D445 |
| Kinematic viscosity @100°Cmm2/s | 3.9 | ASTM D445 |
| Viscosity index | 147 | ASTM D2270 |
| Density @15°Ckg/m3 | 925 | ASTM D4052 |
| Flash point°C | 222 | ASTM D92 |
| Colour (ASTM) | Clear & Amber | ASTM D1500 |
| Water separability @54°Cminutes | 5 | ASTM D1401 |
| TOST lifehours minimum | 6 000 | ASTM D943 |
| Biodegradability after 28days % | 82 | OECD 301B |
| Pour point°C | -60 | ASTM D97 |
| Iodine Valueg I2/100g | 7 | maximum Oleon OA-020 |

Hydraulic fluid - high performance, readily biodegradable, saturated synthetic esters. ISO 15,22 Shell PANOLIN S4 HLP Synth is our highest performance and industry leading biodegradable saturated ester (HEES) type synthetic hydraulic fluid. Special zinc-free additive technology, formulated with high-performance fully synthetic saturated esters offer increased machinery efficiency through enhanced oil life and premium wear protection. Particularly suited for use in environmentally sensitive areas and in stationary and mobile hydraulic systems including construction, earthmoving and forestry. This grade is ISO VG 15: kinematic viscosity 15.6 mm²/s at 40 °C, 3.9 mm²/s at 100 °C and 520 mm²/s at -20 °C, viscosity index 147, flash point 222 °C, pour point -60 °C.
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