Mobil SHC 600 Series

Supreme Performance Gear and Bearing Oils

Product Description
Mobil SHC 600 Series lubricants are supreme performance gear and bearing oils designed to provide outstanding service in terms of equipment protection, oil life and problem-free operation enabling increased customer productivity. These scientifically engineered oils are formulated from base fluids with an inherently high viscosity index and a unique, proprietary, additive system which enables these products to provide outstanding performance in extreme service APPlications at high and low temperatures, well beyond the capabilities of mineral oils. These products are reSIStant to mechanical shear, even in heavily loaded gear and high shear bearing applications, so that there is virtually no loss of viscosity.

The Mobil SHC 600 Series products have low traction coefficients, which derive from the molecular structure of the base stocks used. This results in low fluid friction in the load zone of non-conforming surfaces such as gears and rolling contact bearings. Low fluid friction produces lower operating temperatures and improved gear efficiency, which translates into reduced power consumption. It also results in extended PARts life and allows for more economical equipment design. The base oils used in the Mobil SHC 600 Series have outstanding response to antioxidant additives resulting in sUPErior resistance to oxidation and sludging, especially at high temperatures. The additive combination used in these oils also provides exceptional resistance to rusting and corrosion, very good antiwear, demulsibility, foam control and air release properties, as well as multimetal compatibility. The Mobil SHC 600 Series oils are also compatible with the same seal and other construction materials used in equipment normally lubricated with mineral oils.

The leading edge technology on which Mobil SHC 600 Series lubricants have always been based has made these the products of choice for operators of a wide range of equipment, worldwide. While initially recognized as a high temperature problem solver, these products are now used in many industrial applications because of the range of benefits they offer.

Features and Benefits
The Mobil SHC brand of lubricants are recognized and aPPReciated around the world for their innovation and outstanding performance. These molecular designed synthetic products, pioneered by our research scientists, symbolize the continuing commitment to using advanced technology to provide outstanding lubricant products. A key factor in the development of Mobil SHC 600 Series were the close contacts between our scientists and application specialists with key OEMs to ensure that our product offerings will provide exceptional performance in the continually evolving industrial equipment designs.

Our work with equipment builders has helped confirm the results from our own laboratory tests showing the exceptional performance of the Mobil SHC 600 Series lubricants. Not least among the benefits, shown in work with OEMs, is the potential for significant efficiency improvements in changing from mineral oil. These benefits are particularly evident in equipment which, by design, cannot avoid low overall efficiency, such as high ratio worm gears.

To combat high thermal exposure of the oil, our product formulation scientists chose select base oils for Mobil SHC 600 Series oils because of their exceptional thermal/oxidative resistance potential. Our formulators chose specific additives which would maximize the benefits of the base oils to provide excellent oil life and deposit control and resistance to thermal/oxidative and chemical degradation. This formulation approach provides low temperature fluidity characteristics unmatched by mineral products and is a key benefit for remote, low ambient temperature applications. The Mobil SHC 600 Series oils offer the following features and potential benefits:

Features Advantages and Potential Benefits
Superb high temperature thermal/oxidation resistance Extends equipment high temperature operating capability
Long oil life, reduced need and costs for oil change outs
Minimizes sludge and deposits for trouble-free operation and long filter life
High Viscosity Index and ABSence of wax Maintains viscosity and film thickness at high temperatures
Exceptional low temperature performance, including start-up
Low traction coefficient Reduces overall friction and can increase efficiency in sliding mechanisms such as gearing, with potential for reduced power consumption and lower steady-state operating temperatures.
Minimizes effects of micro slip in rolling contact bearings for longer rolling-element life potential
High load carrying capability Protects equipment and extends life; minimizes unexpected downtime and extends service periods
Balanced additive combination Provides excellent performance in terms of rust and corrosion prevention, water separability, foam control, air release performance ensuring problem-free operation in a wide range of industrial applications and reduced operating costs

Applications
While Mobil SHC 600 Series are compatible with mineral oil based products, admixture may detract from their performance. Consequently it is recommended that before changing a system to one of the Mobil SHC 600 Series, it should be thoroughly cleaned out and flushed to achieve the maximum performance benefits. The Mobil SHC 600 Series oils are compatible with the following seal materials: fluorocarbon, polyacrylate, polyurethane ether, some silicone, ethylene/acrylic, chlorinated polyethylene, polysulfide, and some nitrile rubbers. There is the potential for substantial variations in the elastomers being used today. For best results, consult your equipment supplier, seal manufacturer, or your local Mobil representative to verify compatibility.

Mobil SHC 600 Series lubricants are recommended for use in a wide variety of gear and bearing applications where high or low temperatures are encountered or where operating temperatures or bulk oil temperatures are such that conventional lubricants give unsatisfactory life, or where improved efficiency is needed. They are particularly effective in applications where the maintenance costs of component replacement, system cleaning and lubricant changes are high. Specific applications include:

•FilLED for life gearboxes, especially high ratio/ low-efficiency worm gears
•Remotely located gearboxes, where oil change-out is difficult
•Low temperature applications, such as ski lifts where seasonal oil changes can be avoided
•Mixer roll bearings and roll neck bearings where high temperatures are encountered
•Plastic calendars
•Severe centrifuge applications, including marine centrifuges
•Railroad A/C Traction Drives
•Mobil SHC 625*, 627, 629 and 630 are suitable for Oil Flooded Rotary Screw Compressors compressing natural gas, field gas gathering, CO2 and other process gasses used in the natural gas industry
Specifications and Approvals

Mobil SHC 600 Series has the following builder approvals: 624 625 626 627 629 630 632 634 636 639
ABB TURBO HZTL 90572 X
ABB TURBO HZTL 90617 X
CINCINNATI MACHINE P-34 X
CINCINNATI MACHINE P-35 X
CINCINNATI MACHINE P-59 X
CINCINNATI MACHINE P-74 X
CINCINNATI MACHINE P-78 X
CINCINNATI MACHINE P-80 X
FLENDER BA 7300 table A X X
FLENDER BA 7300 table A and C X X X

Typical Properties

Mobil SHC 600 Series 624 625 (1) 626 627 629 630 632 634 636 639
ISO Viscosity Grade 32 46 68 100 150 220 320 460 680 1000
Viscosity, ASTM D 445
cSt @ 40º C 31.0 46.0 66.0 97.0 149 222 320 454 652 968
cSt @ 100º C 5.8 7.7 10.3 13.7 19.0 25.7 35.0 46.5 61.2 78.5
Viscosity Index, ASTM D 2270 133 136 144 144 144 147 154 161 163 159
Pour Point, ºC, ASTM D 97 -51 -48 -48 -45 -45 -42 -40 -40 -39 -33
Flash Point, ºC, ASTM D 92 237 242 231 228 235 240 236 234 240 235
Specific Gravity, ASTM D 4052, 15º C/15º C 0.85 0.85 0.86 0.86 0.86 0.87 0.87 0.87 0.87 0.87
Appearance, visual Orange Orange Orange Orange Orange Orange Orange Orange Orange Orange
TOST, ASTM D 943, Hours to 2 NN 10,000+ 10,000+ 10,000+ 10,000+ 10,000+ 10,000+ 10,000+ 10,000+ 10,000+ 10,000+
RBOT, ASTM D 2272, min. 1750 1750 1750 1750 1750 1750 1750 1750 1750 1750
Rust protection, ASTM D665, Sea Water Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass
Water Seperability, ASTM D 1401,Min. to 37 ml water @ 54º C 20 20 20 - - - - - - -
Water Seperability, ASTM D 1401,Min. to 37 ml water @ 82º C - - - 15 15 15 25 25 30 40
Copper Corrosion, ASTM D130, 24 hrs @ 121º C 1B 1B 1B 1B 1B 1B 1B 1B 1B 1B
Foam Test, ASTM D 892, Seq I,II,IIITendency / Stability, ml/ml 0/0, 20/0, 0/0 0/0, 0/0, 0/0 0/0, 0/0, 0/0 0/0, 0/0,0/0 0/0, 0/0,0/0 0/0, 0/0,0/0 0/0,0/0,0/0 0/0, 20/0,0/0 0/0,0/0,0/0 0/0, 0/0, 0/0
FZG scuffing test, DIN 51534 (mod), A/16.6/90, Failure Stage 10 11 11 13 13 13+ 13+ 13+ 13+ 13+
(1) 625 is available only in the USA

Health and Safety
Based on available information, this product is not expected to produce adverse effects on health when used for the intended application and the recommendations provided in the Material Safety Data Sheet (MSDS) are followed. MSDS\'s are available upon request through your sales contract office, or via the Internet. This product should not be used for purposes other than its intended use. If disposing of used product, take care to protect the environment.

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