CASTROL BIOBAR 22 208L

CASTROL BIOBAR 22 208L
CASTROL BIOBAR 22 208L
Castrol BioBar is a range of environmentally acceptable hydraulic fluids which can replace conventional mineral oils in hydraulic equipment where leakage or spillage may result in escape into the mari
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Description
Castrol BioBar is a range of environmentally acceptable hydraulic fluids which can replace conventional mineral oils in hydraulic equipment where leakage or spillage may result in escape into the marine environment. Castrol BioBar hydraulic fluids are formulated from synthetic ester base oils which are selected to give a wide operating temperature range and long service life. Extensive testing of Castrol BioBar and hydraulic system components (in particular, elastomer seals) has confirmed good compatibility with standard components, which can allow conversion of existing equipment without the need for major changes. Castrol BioBar hydraulic fluids have been tested and registered according to OSPAR (Oslo and Paris Convention for the Protection of the Marine Environment of the North-East Atlantic) requirements and therefore meet the definition of an Environmentally Acceptable Lubricant (EAL) under the US Vessel General Permit for Discharges Incidental to the Normal Operation of Vessels (VGP) 2013.

Application
Hydraulic systems are extensively used for power transmission on board ship. Cranes, winches, windlasses and  life boat davits are often located where leakage or spillage can escape into the marine environment. The extensive use of flexible hoses, which are susceptible to mechanical damage through abrasion or fatigue, can increase the risk of leakage which can lead to a rapid loss of fluid if there are high operating pressures and high flow rates. Castrol BioBar is recommended for hydraulic systems and hydrostatic transmissions which incorporate gear pumps, vane pumps, radial piston or axial piston pumps and motors and where there is a perceived risk of egress into the environment in the event of spillage or leakage.

Advantages
Reduced environmental impact when compared to conventional lubricants – demonstrable benefits in the following key environmental performance criteria: Superior biodegradation Significantly reduced bioaccumulation* and toxicity Enhanced renewability High levels of protection given to pump and motor components, which can contribute to a high level of reliability: Minimal wear of ring and vane in Vickers PM 104C pump test Minimal wear of ring and vane in Eaton-Vickers 35VQ25 pump test Castrol BioBar hydraulic fluids have been tested and registered according to OSPAR (Oslo and Paris Convention for the Protection of the Marine Environment of the North-East Atlantic) requirements and therefore meet the definition of an Environmentally Acceptable Lubricant (EAL) under the US Vessel General Permit for Discharges Incidental to the Normal Operation of Vessels (VGP) 2013.

Typical Characteristics
Name                                                Method                                    Units               BioBar 22 BioBar 32 BioBar 46 BioBar 68 BioBar 100
Kinematic Viscosity @ 40ºC             ASTM D445 / ISO 3104           mm2/ s           22             32             46             68            100
Kinematic Viscosity @ 100ºC           ASTM D445 / ISO 3104           mm2/ s           4.9            6.4            8.2            11.0         15.6
Viscosity Index                                 ASTM D2270 / ISO 2909         None               139          145           147            150          150
Density @ 15ºC                                ASTM D4052 / ISO 12185       kg/m3              0.90         0.90          0.92          0.95          0.95
Pour Point                                        ASTM D97 / ISO 3016             °C                    -42           -42            -36            -36           -36
Flash Point, open cup method         ASTM D92 / ISO 2592             °C                    226          232           218            230           230
Rust test - synthetic sea water         ASTM D665B / ISO 7120         Rating            No Rust    No Rust    No Rust     No Rust    No Rust
Copper corrosion (3 hrs @ 100ºC)  ASTM D130 / ISO 2160            Rating            1A             1A             1A             1A             1A
Foam Sequence,tendency/stability ASTM D892 / ISO 6247             ml / ml            20             20             20              50             50
Oxidation Stability                           ASTM D2272 IP 229                  min                300            300           320            315           315
The above figures are typical of those obtained with normal production tolerances and do not constitute a specification.