Castrol Molub-Alloy® 958 SF
Castrol Molub-Alloy® 958 SF
Castrol Molub-Alloy® 958 SF
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Product Product Data DataDescription<strong>Castrol</strong> <strong>Molub</strong>-Alloy ® <strong>958</strong> <strong>SF</strong> Multiservice Lubricant<strong>Castrol</strong> <strong>Molub</strong>-Alloy ® <strong>958</strong> <strong>SF</strong> Multiservice Lubricant is a heavy duty lubricant formulated for multiservice, all-season applicationsan large draglines, shovels, drills, and mill applications. <strong>958</strong> <strong>SF</strong> Multiservice Lubricant is used in the most severe environmentin these applications:Open Gears - Racks & Pinions - Dipper Sticks - Rails & Rollers - Large Journal Bearings -Large Slow Speed Antifriction Bearings<strong>Castrol</strong> <strong>Molub</strong>-Alloy ® <strong>958</strong> <strong>SF</strong> may be used in both raw and finish mill operations, such as those found in cement, copper, andphosphate mills, and in either ball or rod mills. In large earth excavators overlubrication of large swing bearings often causesthe grease to drip onto gears and compromises the tough and heavy duty film of the open gear lubricant. This potentialproblem led equipment manufacturers and mine operators to demand a single lubricant to serve various applications an theirmachines. For this reason, <strong>Castrol</strong> <strong>Molub</strong>-Alloy ® <strong>958</strong> <strong>SF</strong> was developed. Multiservice lubricants offer an additional benefit tooperators by reducing the number of lubricants required aboard each machine and the potential for misapplication.Formulated to address environmental concerns <strong>Castrol</strong> <strong>Molub</strong>-Alloy ® <strong>958</strong> <strong>SF</strong> is free of lead, antimony, barium, and chlorinatedsolvents. No solvents of any kind are used in <strong>Castrol</strong> <strong>Molub</strong>-Alloy ® <strong>958</strong> <strong>SF</strong>.The synthetic and mineral oils used in <strong>958</strong> <strong>SF</strong> are selected for their physical and chemical stability and for their exceptionalserviceability over a wide temperature range. These fluids are compounded to flow readily in the filmforming process, yet resist"squeeze out" and cling tenaceously even to gear teeth that mesh vertically.A proprietary blend of <strong>Molub</strong>-Alloy ® lubricating solids of select grade and size distribution promote antiwear and load-carryingproperties beyond the capacity of conventional lubricants. <strong>Molub</strong>-Alloy ® lubricating solids also contribute to the structure of thefilm and its semi-dry surface which is exceptionally resistant to dust and dirt.Applications• <strong>Castrol</strong> <strong>Molub</strong>-Alloy ® <strong>958</strong> <strong>SF</strong> may be used from - 20 °C to + 90 °C. This is a general guideline and may be altered dependingan the application and conditions.• <strong>Castrol</strong> <strong>Molub</strong>-<strong>Alloy®</strong> <strong>958</strong> <strong>SF</strong> is particularly suitable for service in the most severe conditions of dust, as found in open pitmining and cement mills. <strong>Castrol</strong> <strong>Molub</strong>-<strong>Alloy®</strong> <strong>958</strong> <strong>SF</strong> is designed to resist packing or hardening in the roots of gear teeth andin semi-enclosed gearcases. <strong>Castrol</strong> <strong>Molub</strong>-<strong>Alloy®</strong> <strong>958</strong> <strong>SF</strong> also minimizes the adherence of dust, which usually causeslubricant "peeling" off the sticks of shovels.• Careful attention has been paid to the needs of large roller bearings to protect against extreme pressures and shock loads andto provide sufficient film thickness to extend bearing life before fatigue.Advantages• Superior film endurance - resists erosion from rain and sleet: resists peeling in dusty operations.• Resists packing with dust - doesn't harden in gear tooth roots and facilitates easy removal from semi-enclosed gearcases.• Multiservice - can be used for open gear and bearing applications an many draglines, shovels, drills, and mills (see notes).Reduces product inventory, and minimizes the risk of contamination or misapplication.• All-Season - can be used year-round for the climate range encountered.• <strong>Castrol</strong> <strong>Molub</strong>-<strong>Alloy®</strong> <strong>958</strong> <strong>SF</strong> meets the requirement of: P & H, Spec. 464, P & H, Spec. 472 B, Demag Komatsu, 01159799,Bucyrus-Erie, MPG X-2618, Bucyrus-Erie, OG X-2642<strong>Molub</strong>-Alloy <strong>958</strong> <strong>SF</strong>23.10.2006<strong>Castrol</strong> <strong>Molub</strong>-Alloy <strong>958</strong> <strong>SF</strong> and <strong>Castrol</strong> logo are trademarks of <strong>Castrol</strong> Limited, used under licence.Die technischen Daten sind Durchschnittswerte, die jedoch innerhalb der festgelegten Spezifikation liegen.Diese Angaben entsprechen umfangreichen Prüfungen und Praxiserfahrungen. Bei der Vielfalt der Anwendungen kann daraus keine Verbindlichkeit für dieBewährung in jedem Einzelfall hergeleitet werden. Praxiserprobungen empfohlen. Änderungen der Zusammensetzung bleiben Vorbehalten, gegebenenfallsin Absprache mit dem Kunden.Weitere Produkt-Informationen sind bei der Anwendungstechnik der Deutsche BP Aktiengesellschaft zu erfragen.Deutsche BP AG – Industrial Lubricants & Services, Erkelenzer Str. 20, 41179 MönchengladbachTel: +49 (0)2161 909-30 Fax: +49 (0)2161 909-481www.castrol.com/industrialPage 1 of 2
Notes For UseWhile climatic conditions are important to product selection, particular applications and conditions may alter product selectionTechnical dataUnit Value Test methodCASTROL MOLUB-ALLOY ® <strong>958</strong> <strong>SF</strong> - - -NLGI grade - 1 DIN 51818Thickener - Lithium Soap -Worked penetration 0.1 mm 310 - 340 DIN ISO 2137Dropping Point °C > 190Base oil propertiesViscosity at + 40°Cat + 100°CFlash pointmm²/s°C60040> 160ISO 2176DIN 51366DIN ISO 2592Oxidation stabilityMax. pressure drop after 100 h kPa/psi < 35/5 ASTM D 942Roll Stability, points change - < 30 ASTM 1831Behavior in the presence of water at 90 °C Rating 0 DIN 51807/1Water washout, max. loss % < 10 ASTM D 1264Rust Protection, EmcorRust ProtectionRating 0/0DIN 51802ASTM D 1743Copper Corrosion Test Rating 1 B ASTM D 4048Four ball EP testLoad wear indexWeld loadFour Ball Wear TestWear scar diameterat load 40 kgat load 20 kgNNmm> 800> 80000.600.55Timken EP testOK value Kg/lbs > 20/45DIN 51350ASTM D 2266ASTM D 2509Deleterious Particle, max. scratches - < 10 ASTM 1404Pumpability, Lincoln ventmeterat - 15°Cpsi 400 -1 mm²/s ^ 1cSt<strong>Molub</strong>-Alloy <strong>958</strong> <strong>SF</strong>23.10.2006<strong>Castrol</strong> <strong>Molub</strong>-Alloy <strong>958</strong> <strong>SF</strong> and <strong>Castrol</strong> logo are trademarks of <strong>Castrol</strong> Limited, used under licence.Die technischen Daten sind Durchschnittswerte, die jedoch innerhalb der festgelegten Spezifikation liegen.Diese Angaben entsprechen umfangreichen Prüfungen und Praxiserfahrungen. Bei der Vielfalt der Anwendungen kann daraus keine Verbindlichkeit für dieBewährung in jedem Einzelfall hergeleitet werden. Praxiserprobungen empfohlen. Änderungen der Zusammensetzung bleiben Vorbehalten, gegebenenfallsin Absprache mit dem Kunden.Weitere Produkt-Informationen sind bei der Anwendungstechnik der Deutsche BP Aktiengesellschaft zu erfragen.Deutsche BP AG – Industrial Lubricants & Services, Erkelenzer Str. 20, 41179 MönchengladbachTel: +49 (0)2161 909-30 Fax: +49 (0)2161 909-481www.castrol.com/industrialPage 2 of 2
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