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Mobil SHC™ 525

Mobil SHC™ 525

Hydraulic Oil 

Product Description

Mobil SHC™ 500 Series oils are exceptional performance hydraulic oils formulated from synthesised, wax-free hydrocarbon base fluids combined with a carefully engineered super-stabilised additive system. They are exceptionally high quality, wide-temperature, shear-stable hydraulic oils with controlled low-temperature pumpability properties and maximised anti-wear protection for high-pressure vane, piston and gear pumps. The products exhibit very high viscosity indexes contributing to their excellent low and high temperature performance making them an excellent choice for equipment that is subjected to a wide range of start-up and operating temperatures. The Mobil SHC 500 Series oils exhibit outstanding shear stability allowing their use in high-pressure, high-temperature operating environments for extended periods of time without the loss of critical lubrication characteristics. The Mobil SHC 500 Series oils help provide long oil/filter life and optimum equipment protection, which can reduce both maintenance and product disposal costs. They were developed in conjunction with the major OEMs to meet the stringent requirements of severe hydraulic systems using high pressure, high output pumps as well as handling the critical requirements of other hydraulic system components such as close clearance servo-valves and the high accuracy numerically controlled (NC) machine tools. These products meet some of the most rigorous performance requirements of a wide range of hydraulic system and component manufacturers, using various multi-metallurgy designs, ensuring a single product with exceptional performance characteristics in a wide range of equipment. They are designed to work with systems operating under severe conditions where high levels of anti-wear and film strength protection are needed, yet they are formulated to work where non-anti-wear hydraulic oils are generally recommended. Features and Benefits The Mobil SHC 500 Series hydraulic oils exhibit outstanding low and high temperature performance helping to provide an extra margin of equipment protection above and beyond the capabilities of comparable mineral oil-based products. Their excellent oxidation resistance allows extension of oil and filter change intervals while assuring exceptionally clean systems and trouble-free operation. Their high level of anti-wear properties and excellent film strength characteristics result in exceptional equipment performance that helps prevent unplanned equipment breakdowns, and maximize equipment uptime, which can enable potential improvements in production capacity. Their controlled demulsibility permits the oils to work well in systems contaminated with small amounts of water yet readily separate large amounts of water.

Features Advantages and Potential Benefits
Design-Specific Synthetic Base stock Helps extend service intervals
Cleaner system and reduced close-tolerance valve sticking compared to conventional products
Helps improve filterability
Exceptional Anti-wear Helps reduce wear of components
Helps protect systems using various metallurgy
High Viscosity Index Wide temperature range performance
Helps to ensure equipment protection at cold start-up temperatures
Helps protect system components at high operating temperatures
Outstanding Oxidation Stability Helps provide long oil and equipment life, which can extend filter life
Excellent Corrosion Protection Helps prevent internal hydraulic system corrosion
Helps reduce the negative effects of moisture in systems
Helps provide corrosion protection of multi-metallurgy component designs
Very Good Multi-metal Compatibility Helps optimize inventory requirements
Meets a Wide Range of Equipment Requirements One product can replace several helping to optimize inventory requirements and mitigate potential product misapplication
Excellent Air Separation Characteristics Helps reduce foaming and it's negative effects
Controlled Demulsibility Provides systems protection and lubrication where small quantities of moisture are present
Readily separates larger quantities of water
Innovative Keep Clean Properties Helps reduce system deposits and potential sludging
Helps protect critical components such as servo-valves, improving system response and minimizing valve sticking

Applications

  • Hydraulic systems prone to deposit build-up such as sophisticated Numerically Controlled (NC) machines, particularly where close clearance servo-valves are used
  • Systems employing multi-metal component designs
  • High pressure vane, piston and gear pumps
  • Systems where cold start-up and / or very high operating temperatures are typical
  • Where small amounts of water are unavoidable
  • In systems containing gears and bearings
  • Systems requiring a high degree of load-carrying capability and anti-wear protection
  • Applications where thin oil-film corrosion protection is an asset such as in systems containing moisture

Specifications and Approvals

Mobil SHC 500 Series has the following builder approvals: 525
Denison HF-0 X
Denison HF-1 X
Denison HF-2 X

Typical Properties

Mobil SHC 500 Series 525
ISO Viscosity Grade 46
Viscosity, ASTM D 445  
cSt @ 40º C 46
cSt @ 100º C 8.54
Brookfield Viscosity @ -18º C, ASTM D 2983, cP 1376
Viscosity Index, ASTM D 2270 154
Density 15º C, ASTM D 4052, kg/L 0.8514
Copper Strip Corrosion, ASTM D 130, 3 hours @ 100º C 1B
Rust Characteristics, ASTM D 665B Pass
FZG Gear Test, DIN 51354, Fail Stage 11
Pour Point, ºC, ASTM D 97 -54
Flash Point, ºC, ASTM D 92 238
Foam Sequence I, II, III, ASTM D 893 , ml 50/0
Demulsibility, ASTM D 1401, 82C, minutes to 3ml emulsion 20

 



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.

All trademarks used herein are trademarks or registered trademarks of Exxon Mobil Corporation or one of its subsidiaries. 

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