Mobil SHC™ PM Series products are superior performance synthetic lubricants specifically designed for the most demanding industrial paper machine circulating systems. The Mobil SHC PM Series oils are formulated to provide outstanding protection of gears and bearings operating under the most severe conditions. They have very low pour points and a naturally high viscosity index (VI) which helps ensure good low temperature start-up while maintaining excellent viscosity characteristics at very high temperatures. The fluids are very shear stable and maintain viscosity control even when subjected to severe mechanical shear in heavily loaded bearings and gears. Their low traction coefficient and high viscosity index can help result in lower energy consumption and reduced component operating temperatures.

 

To develop the latest Mobil SHC technology for Mobil SHC PM Series oils, ExxonMobil product formulation scientists chose select base oils because of their exceptional thermal/oxidative resistance potential and combined them with a balanced additive system, which complement the inherent benefits of the base oils to attain high performance standards. These fluids permit the use of higher steam pressures, temperatures and machine speeds common in high output paper machines and calendar rolls. Their outstanding hydrolytic stability and filterability assure excellent performance in the presence of water and the ability to retain effective filtration even at very fine filtration levels. They readily separate water and retain their colour characteristics for extended periods of operation under severe conditions.

 

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Datasheets

Features and Benefits

The Mobil SHC PM Series oils represent a technological advance in paper machine lubrication. Their excellent performance capabilities in the areas of wear protection, enhanced oxidation stability, chemical stability, effective rust and corrosion protection, colour stability, and filterability not only prolong maintenance service intervals but can improve machine performance and increase production capacity. This can result in less required maintenance and longer equipment life.

 

Features

Advantages and Potential Benefits

Excellent Wide Temperature Performance

Easier start-up and improved lubrication at cold starts

Extra margin of protection at elevated temperatures

Better control of feed rates

Exceptional Wear Protection

Improved bearing and gear performance

Outstanding Oxidation and Thermal Stability

Longer oil life

Lower filter replacement costs

Cleaner systems

Reduction of system deposits

Effective Water Separation Properties

Allows easier removal of water

Reduces formation of undesirable emulsions in systems

Low Traction Coefficient

Reduced energy consumption

Lower operating temperatures

Reduced wear

Excellent Filterability

Keeps oil lines and flow control mechanisms free of deposits

Improved oil flow and cooling performance

Lowers filter replacement costs

High Level Rust and Corrosion Protection

Protects gears and bearings in wet environments

Provides vapour space protection for areas of bearing and gear cavities above normally wetted surfaces

 

Applications

     •  Lubrication of severe industrial paper machine circulating systems

     •  Application involving circulation systems operating over a wide temperature range such as calendar rolls

     •  Systems that must be started and brought on line quickly

     •  Circulation systems lubricating gears and bearings

 

Properties and Specifications

Property

150

220

320

460

Grade

ISO 150

ISO 220

ISO 320

ISO 460

Copper Strip Corrosion, 24 h, 100 C, Rating, ASTM D130

1B

1B

1B

1B

Density @ 15 C, kg/l, ASTM D1298

0.857

Emulsion, Time to 40/40/0, 82 C, min, ASTM D1401

15

25

30

30

FZG 4-Square Load Support, Fail Stage, DIN 51354

11

FZG Scuffing, Fail Load Stage, A/8.3/90, ISO 14635-1

11

11

11

Flash Point, Cleveland Open Cup, °C, ASTM D92

220

220

220

220

Hydrolytic Stability, Acid Number Change, mgKOH/g, ASTM D2619

0

0

0

Kinematic Viscosity @ 100 C, mm2/s, ASTM D445

18.9

25.6

34.7

44.8

Kinematic Viscosity @ 40 C, mm2/s, ASTM D445

158

225

325

465

Pour Point, °C, ASTM D97

-39

-36

-33

-27

Rust Characteristics, Procedure B, ASTM D665

PASS

PASS

PASS

PASS

Specific Gravity, 15 C/15 C, ASTM D1298

0.863

0.865

0.874

Viscosity Index, ASTM D2270

124

127

130

137

 

Health and Safety

Health and Safety recommendations for this product can be found on the Material Safety Data Sheet (MSDS) @ http://www.msds.exxonmobil.com/psims/psims.aspx