嘉实多BIOSTAT68环保艉管齿轮油  BioStat Environmentally responsible stern tube/gear lubricant Description Castrol BioStat environmentally acceptable lubricants are specifically designed to replace conventional lubricants in the stern tube bearings ａnd thruster gearboxes of ships. Small quantities of lubricant can be discharged into the marine environment in the course of normal operation of vessels, but the cumulative amount for all vessels is very large. Larger quantities of oil may be released under fault conditions. Castrol BioStat lubricants are formulated from synthetic ester base oils which are selected to give a wide operating temperature range ａnd long service life. Castrol BioStat lubricants 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 The Castrol BioStat range of lubricants has been developed to replace conventional mineral oil based lubricants in the stern tube bearings ａnd thruster gearboxes of all vessels operating in the marine environment. Castrol BioStat can also replace conventional gear oils in the gearboxes of deck machinery, where there is a risk of spills or leaks during operation or maintenance activities. Castrol BioStat has been approved by all the major stern tube seal manufacturers for use in their equipment. In many cases, it is necessary to specify a particular type of sealing ring whenever an EAL is used. Conversion to an EAL is therefore most easily carried out during a dry-docking. The inspection interval for the stern tube seal may also be reduced for some lubricant/sealing ring combinations. Castrol BioStat provides extremely high gear ａnd bearing protection ａnd can replace conventional gear oils in thruster gearboxes. Propeller shaft seals for thrusters are similar to those of stern tubes ａnd the same reservations about sealing ring types apply. Advantages Reduced environmental impact when compared to conventional mineral oil based lubricants – demonstrable benefits in the following key environmental performance criteria: Superior marine biodegradation Significantly reduced levels of potentially bioaccumulative* components Enhanced renewability *Using OSPAR criteria. High levels of protection given to bearing ａnd gear components, particularly at high loads ａnd low speeds, which can contribute to extended component life ａnd increased reliability: Load carrying performance to failure load stage 13 (or better) in the FZG gear test. Minimal wear in FZG low speed gear wear test. Minimal wear in FAG FE8 bearing test, at both standard (80 kN) ａnd increased (100kN) radial load. Castrol BioStat lubricants 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. Page 1 of 3 Additional Information Typical Characteristics Name Method Units BioStat 68 BioStat 100 BioStat 150 BioStat 220 Kinematic Viscosity @ 40C ASTM D445 cSt 68 100 150 220 Kinematic Viscosity @ 100C ASTM D445 cSt 13.3 16.9 21.7 28.4 Viscosity Index ASTM D2270 178 178 178 178 Relative Density @ 15C ASTM D4052 0.93 0.93 0.93 0.93 Pour Point ASTM D97 Degrees Celsius -39 -27 -27 -27 Closed Flash Point ASTM D92 Degrees Celsius >220 >220 >220 >220 Steel Corrosion, Sea Water ASTM D665B Rating Pass Pass Pass Pass Corrosion Protection, 0.5% NaCl (SKF Emcor) ISO 11007 Rating 2-2 2-2 2-2 2-2 Copper Corrosion, 3 hrs @ 100C ASTM D130 Rating 1A 1A 1A 1A Demulsification Time @ 54C ASTM D1401 ml/ml/ml 0/23/57 (30) Demulsification Time @ 82C ASTM D1401 ml/ml/ml 0/23/57 (30) 0/23/57 (30) 0/23/57 (30) FZG Step Load A/8.3/90 ISO 14635-2 Failure Load Stage 13 >13 >13 >13 FZG Micropitting @ 60C FVA 54/7 Failure Load Stage >10 >10 >10 >10 The above figures are typical of those obtained with normal production tolerance ａnd do not constitute a specification. User Advice Specific seal materials are specified by most equipment manufacturers for use with EALs. These must be used to to ensure reliable operation between dry-dockings ａnd to meet the expected service life/inspection intervals. To ensure that the correct sealing materials are used: •For new-build vessels, the shipyard must be aware of the intention to use environmental lubricants at an early stage, so that the required sealing rings can be specified ａnd supplied in good time. •For existing vessels, EALs can generally only be adopted when the vessel is dry-docked, as it will be necessary to replace the sealing rings with the approved seal materials. The shipyard must be aware of the intention to use environmental lubricants at an early stage, so that the required sealing rings can be specified. It is generally accepted that elastomers become “conditioned” by the first lubricant which they are in contact with. Therefore, most manufacturers recommend that new sealing rings are installed when changing to an EAL, even if the sealing rings are of a type which is approved for use with EALs. Compatibility between Castrol BioStat ａnd conventional mineral oils has been confirmed by laboratory stability tests which were carried out using a selection of representative conventional lubricants ａnd at a range of different concentrations. Castrol BioStat ａnd conventional mineral oils are expected to be compatible when mixed in any Page 2 of 3 proportions. Residues of mineral oil should be minimised in order to protect the environmental properties of Castrol BioStat ａnd to ensure compliance with Vessel General Permit requirements, with a target of 5% mineral oil content after change-over. Castrol cannot confirm the compatibility of BioStat with other non-Castrol EALs. Castrol BioStat is expected to be miscible with other ester-based EALs, but we cannot confirm if a mixture will display the same performance as either individual oil. As a general rule Castrol does not recommend mixing different types of EALs due to the number of different base oils ａnd additive system combinations which are possible. There are exceptions but compatibility testing is required before confirmation can be given. Castrol BioStat is not miscible or compatible with EALs based upon polyalkylene glycols (PAG). Castrol BioStat does not require any additional maintenance in service over ａnd above that which is considered good practice for stern tubes or gearboxes in general service. The lubricant – whatever type is in use – is a key component without which the system will not operate. Water removal equipment ａnd additional filtration will prolong the life of system components ａnd of the lubricant ａnd is recommended, particularly when BioStat is used by dynamically positioned vessels. Some Class Societies may insist on the installation of water removal equipment whenever EALs are used. Measurement of water content on a regular basis is a necessary part of the maintenance process. Storage All packages should be stored under cover. Where outside storage is unavoidable drums should be laid horizontally to avoid the possible ingress of water ａnd the obliteration of drum markings. Products should not be stored above 60oC, exposed to hot sun or freezing conditions. BioStat 24 Apr 2015 Castrol, the Castrol logo ａnd related marks are trademarks of Castrol Limited, used under licence. This data sheet ａnd the information it contains is believed to be accurate as of the date of printing. However, no warranty or representation, express or implied, is made as to its accuracy or completeness. Data provided is based on standard tests under laboratory conditions ａnd is given as a guide only. Users are advised to ensure that they refer to the latest version of this data sheet. It is the responsibility of the user to evaluate ａnd use products safely, to assess suitability for the intended application ａnd to comply with all applicable laws ａnd regulations. Material Safety Data Sheets are available for all our products ａnd should be consulted for appropriate information regarding storage, safe handling, ａnd disposal of the product. No responsibility is taken by either BP plc or its subsidiaries for any damage or injury resulting from abnormal use of the material, from any failure to adhere to recommendations, or from hazards inherent in the nature of the material. All products, services ａnd information supplied are provided under our standard conditions of sale. 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