Mobil SHC™ 600 Series oils

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Features and Benefits

The Mobil SHC brand of lubricants are recognized and appreciated around the world for their innovation and outstanding performance. These synthetic products, molecularly designed and pioneered by our research scientists, embody the continuing commitment to using advanced technology to provide outstanding lubricant products. The development of Mobil SHC 600 Series was preceded by close contacts between our scientists and application specialists with key Original Equipment Manufacturers (OEMs) to ensure that the products provide exceptional performance in the continually evolving industrial equipment designs.

Our work with key equipment builders has helped confirm the results from our own laboratory and rig tests showing the exceptional performance of Mobil SHC 600 Series lubricants. Not least among the benefits, shown in work with OEMs, is the potential for energy efficiency improvements up to 3.6% relative to mineral oils (*). These benefits are particularly evident in equipment with a high level of mechanical losses, such as high ratio worm gears.

To develop the latest Mobil SHC technology for Mobil SHC 600 Series oils, our product formulation scientists chose select base oils because of their exceptional thermal/oxidative resistance potential and combined them with a balanced additive system, which complements the inherent benefits of the base oils to provide excellent oil life, deposit control and resistance to thermal/oxidative and chemical degradation. This formulation approach provides low temperature fluidity characteristics exceeding that of many conventional mineral products and is a key benefit for remote, low ambient temperature applications. Mobil SHC 600 Series oils offer the following features and potential benefits:

 

Features                                           
Advantages and Potential Benefits
Superb high
temperature
thermal/oxidation
resistance
Helps extend equipment high temperature operating capability
Long oil life, helps reduce maintenance costs
Helps minimize deposits to enable trouble-free operation and long filter life
High Viscosity
Index and
absence of wax
Maintains viscosity and film thickness at high temperatures
Helps enable exceptional low temperature performance, including start-up
Low traction
coefficient
Helps reduce friction and increase efficiency in sliding mechanisms such as gearing, with potential for reduced power consumption and lower steady-state operating temperatures.
Helps minimize the effects of micro slip in rolling contact bearings to potentially extend rolling-element life
High load
carrying
capability
Helps protects equipment and extends life; helps minimize unexpected downtime and extends service periods
Balanced additive
combination
Provides excellent performance in terms of rust and corrosion prevention, water separability, foam control and air release performance enabling problem-free operation in a wide range of industrial applications, and reduced operating costs
 

(*) Energy efficiency relates solely to the performance of Mobil SHC 600 when compared to conventional (mineral) reference oils of the same viscosity grade in circulating and gear applications. The technology used allows up to 3.6% efficiency compared to the reference when tested in a worm gearbox under controlled conditions. Efficiency improvements will vary based on operating conditions and application.

Specifications and Approvals
Mobil SHC 600 Series meets or exceeds the requirements of:
636
626
629
630
632
634
AGMA 9005-E02 X X X X X X
DIN 51517-3 CLP X

 

X X X X
ISO 12925-1 CKB
 
X    
ISO 12925-1 CKD

 
X X X X X X

 

Mobil SHC 600 Series
636
626
629
630
632
634
Fives Cincinnati P-34 P-63
P-80
P-77

 

 

 

SIEMENS AG Flender gear units, T 7300, Table A-c, Flender Code No. A32

 

A36 A35 A34 A33
SEW Eurodrive:
SEW IG CLP HC
SEW SG CLP HC
680 68 150 220 320 460

 

Applications

While Mobil SHC 600 Series are generally compatible with mineral oil based products, admixture may detract from their performance. Consequently it is recommended that before changing a system to one of Mobil SHC 600 Series products, it should be thoroughly cleaned out and flushed to achieve the maximum performance benefits. Mobil SHC 600 Series oils are compatible with most NBR, FKM and most other elastomeric seal materials that are used with mineral oils. There is the potential for substantial variations in the elastomers. For best results, consult your equipment supplier, seal manufacturer, or your local company 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 desired. They are particularly effective in applications where the maintenance costs of component replacement, system cleaning and lubricant changes are high. Specific applications require selection of the appropriate viscosity grade and 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 calenders
  • Severe centrifuge applications, including marine centrifuges
  • Railroad A/C Traction Drives
  • Mobil SHC 626, 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
  • Mobil SHC 629, 630, 632, 634, 636, and 639 are approved by Siemens AG for use in Flender gearboxes
Typical Properties
Mobil SHC 600 Series
636
626
629
630
632
634
ISO Viscosity Grade 680 68 150 220 320 460
Viscosity, ASTM D 445

 

 

 

 

 

 

cSt @ 40ºC 680 68 150 220 320 460
cSt @ 100ºC 69.0 11.6 21.1 28.5 38.5 50.7
Viscosity Index, ASTM D2272 181 165 166 169 172 174
Pour Point, ºC, ASTM D5950 -30 -51 -39 -36 -33 -30
Flash Point, ºC, ASTM D 92 225 225 220 220 225 228
Density @ 15°C (60°F) (g/cc) ASTM D4052 0.87 0.86 0.86 0.87 0.87 0.87
Appearance, visual Orange Orange Orange Orange Orange Orange
TOST, ASTM D 943 mod, hours 10,000+ 10,000+ 10,000+ 10,000+ 10,000+ 10,000+
RPVOT, ASTM D 2272, minutes 2500 2500 2500 2500 2500 2500
Rust protection, ASTM D665B, Synthetic Sea Water Pass Pass Pass Pass Pass Pass
Water Separability, ASTM D1401,Min. to 37 ml water @ 54ºC - 15 - - - -
Water Separability, ASTM D1401,Min. to 37 ml water @ 82ºC 20 - 20 20 20 20
Copper Corrosion, ASTM D130, 24 hrs @ 121ºC 1B 1B 1B 1B 1B 1B
Foam Test, ASTM D892, Seq I,II,IIITendency / Stability, ml/ml 0/0,0/0,0/0 10/0, 20/0, 10/0 0/0, 0/0,0/0 0/0, 10/0, 0/0 0/0,0/0,0/0 0/0,0/0,0/0
FZG gear scuffing test, A/8.3/90, ISO 14635-1 (mod), Failure Stage 13+ 12 13 13+ 13+ 13+
FAG FE8 Bearing Wear Test 7.5/80-80 ((DIN 51819-3) Roller Wear (mg) 2 - 2 2 2 2
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Product features
  • Enhanced Wear Protection
  • Extended Life
Industry Sectors
  • cruise and ferry
  • Short sea shipping
  • deep sea shipping industry
  • inland and coastal
  • offshore supply vessels
  • specialized shipping
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