Environmentally Acceptable, Synthetic Hydraulic Fluid. Shell Naturelle S2 Hydraulic Fluid is an advanced hydraulic fluid for use in hydraulic and power transmission systems. Readily biodegradable with low ecotoxicity, Shell Naturelle S2 Hydraulic Fluid is particularly suited for use in environmentally sensitive areas. Fully synthetic esters, blended with ashless additives, provide Shell Naturelle S2 Hydraulic Fluid with an excellent blend of lubrication performance and environmental acceptability.
Applications
Less FlammableShell Naturelle S2 is a less flammable hydraulic Fluid with high flash point. FM approval Class 6390.
Environmentally sensitive areasShell Naturelle S2 Hydraulic Fluid is an ‘environmentally acceptable’ hydraulic fluid (ISO 15380 HEES), with ‘reduced harm for water and soil during use’ (EU Ecolabel). When compared to conventional mineral oil hydraulic fluids, it will have a reduced environmental impact in the event of a leak or accidental spillage. It is particularly suited for use in environmentally sensitive areas. However, Bulk operating temperatures should not be allowed to exceed 90 0 C.
Performance & benefits
Excellent wear protectionAdvanced ashless (zinc and metal free) anti-wear additives provide protection over a wide range of conditions – proven protection in tough industry standard tests such as the Eaton Vickers 35VQ25 vane pump and Komatsu HPV35+35 high pressure piston pump.
Maintaining system efficiencyExcellent viscosity/temperature characteristics can minimize the changes of viscosity with variation in operation temperature, giving true ‘multigrade’ characteristics. Outstanding cleanliness and filterability, coupled with excellent water separation, air release and antifoam characteristics, all help contribute to maintaining or enhancing the efficiency of hydraulic systems.
Readily biodegradableShell Naturelle S2 Hydraulic Fluid is biodegradable by exhibiting over 60% biodegradation after 28 days in the OECD 301 B carbon dioxide evolution test.
Low toxicity towards the environmentShell Naturelle S2 Hydraulic Fluid is classified as ‘not harmful’ to bacteria, algae, freshwater invertebrates, and fish when tested as water-accommodated fractions (WAFs) according to OECD test guidelines.
Very high renewables contentShell Naturelle S2 Hydraulic Fluid has mean biobased content of 82% (ASTM D 6866).
Meets requirement of United States Environmental Protection Agency’s (EPA) 2013 vessel general permit (VGP)
Standards & approvals
ISO 15380 HEES
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.
Swedish Standard SS 15 54 34 SP
SS 15 54 34 — environmental requirements for hydraulic fluids (Sweden)
The Swedish standard requiring high biodegradability, low aquatic toxicity, and that the finished fluid not be classified as environmentally hazardous. It is required near groundwater and drinking water sources; verified products appear on the "SP list".
ISO 12922 (2012) HFDU
ISO 12922 HFDU — fire-resistant hydraulic fluid
The international standard for fire-resistant hydraulic fluids; class HFDU covers water-free synthetic fluids on an ester or polyglycol base, used where a leak could ignite.
Also listed
MSHA (Mine Safety and Health Administration) approved
Sperry Marine
Quantum Marine Engineering
Rolls Royce Marine
FM Approved
Fluid Compatibility
Seal & Paint Compatibility
Meets USDA Bio-preferred programme
Meets requirements of EU Ecolabel certificate number NL/027/019
Typical characteristics
Property
Typical value
Method
Viscosity grade
68
ISO fluid type
HEES
ISO 6743-4
Kinematic viscosity @-20°CcSt
2 640
ASTM D445
Kinematic viscosity @40°CcSt
67.7
ASTM D445
Kinematic viscosity @100°CcSt
12.3
ASTM D445
Viscosity index
183
ISO 2909
Density @15°Ckg/m3
924
ISO 12185
Flash point (Cleveland Open Cup)°C
320
ISO 2592
Pour point°C
-39
ISO 3016
Biodegradable% 28days
68
OECD 301B
Complete documentation
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