Mobilith SHC™ PM Series
Product Description
Mobilith SHC™ PM greases are superior performance products designed specifically for severe paper machine applications, including extreme temperature environments and exposure to different qualities of water. Mobilith SHC PM greases combine the unique features of a synthetic base fluid with those of a high quality lithium complex thickener. The wax-free nature of the synthetic base fluid provides excellent low temperature pumpability and low starting and running torque compared to other non-synthetic oil products of the same viscosity. The high viscosity index of the synthetic base fluid ensures excellent film protection at high temperatures. The lithium complex thickener contributes excellent adhesion, structural stability and resistance to water. These properties are complemented by a special additive system to provide rust and corrosion resistance, wear protection, thermal/oxidative resistance and to enhance water resistance properties. Mobilith SHC PM 220 and Mobilith SHC PM 460 are both NLGI grade 1.5 with base fluids of ISO VG 220 and 460, respectively.
Mobilith SHC PM greases are designed for use in the most critical rolling element bearing applications in paper machines. They provide outstanding protection against rust and typical acid and alkali water corrosion, making them ideal for the wet end of the paper machine. The low volatility and excellent oxidation stability of the PAO base stock ensures excellent service at high temperatures typical of dry end conditions.
The Mobilith SHC PM series has become the technology of choice for many paper mill operators, worldwide. Its reputation is based on exceptional quality, reliability and the proven performance benefits they deliver.
Features and Benefits
The Mobil SHC brand of oils and greases is recognized and appreciated for their innovation and outstanding performance. The Mobilith SHC series symbolizes our continued commitment to using advanced technology to provide outstanding products. A key factor in the development of Mobilith SHC PM greases was the close contacts between our scientists and application specialists with key paper machine designers to ensure that our product offerings would provide exceptional performance in this continually evolving, and increasingly severe, equipment area.
Our work with equipment builders has helped confirm the results from our own laboratory tests showing the exceptional performance of the Mobilith SHC PM greases. These benefits include excellent resistance to acidic and alkaline water, enhanced bearing protection and bearing life, wide temperature range of application, and longer grease life.
To combat high thermal exposure our product formulation scientists chose proprietary synthetic base oils for Mobilith SHC PM grease because of their exceptional thermal and oxidative resistance. Our scientists developed a high performance lithium complex thickener technology and used specific additives to enhance Mobilith SHC PM greases to meet the needs of modern and future paper machines. Mobilith SHC PM greases offer the following features and benefits: Features
Advantages and Potential Benefits
Wide application temperature range, from -40ºC to 150°C Outstanding high temperature and low temperature with excellent protection at high temperatures and low torque, easy start-up at low temperatures Reduced downtime and maintenance costs because of Excellent protection against wear, rust and corrosion, reduced wear, rust and corrosion even in acidic and Extended service life with longer intervals between Excellent structural stability and oxidation resistance
Advantages and Potential Benefits
Excellent wear protection under heavy loads, slow speeds, Outstanding protection of slow speed, heavily loaded Retains excellent grease performance in hostile aqueous Outstanding structural stability in the presence of water Helps resist viscosity increase at high temperatures to maximize relubrication intervals and bearing life Applications
Application Considerations: While Mobilith SHC PM greases are compatible with most mineral oil based products, admixture may detract from their performance. Consequently it is recommended that before changing a system to one of the Mobilith SHC PM greases, it should be thoroughly cleaned out to achieve the maximum performance benefits. If dismantling the system for cleaning before changeover isn't feasible, then thorough purging and increased relubrication intervals are strongly recommended. Contact your local ExxonMobil Lube Engineer for consultation on this approach.
Mobilith SHC PM greases are recommended for critical rolling element bearing applications in paper machines. • Highly loaded press section bearings.
• High-temperature felt roll and calendar stack bearings.
Specifications and Approvals
Mobilith SHC PM Series meets or exceeds the
requirements of:
Typical Properties
Mobilith SHC
Viscosity of Oil, ASTM D 445, cSt @ 40o C Water Washout, ASTM D 1264, 79o C, % Loss EMCOR Rust Test, ASTM D 6138, Distilled Water, Rating 0/0 EMCOR Rust Test, ASTMD 6138, Acid Water pH 4.5, EMCOR Rust Test, ASTM D 6138, Alkaline Water pH 12.0, 0/0
Mobilith SHC
Oil Separation, ASTM D 1742, 0.25 psi, 24 hours @ 25o C, 3 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 unless indicated otherwise. ExxonMobil Lubricants & Specialties Europe, division of ExxonMobil Petroleum & Chemicals BVBA. This information relates only to products supplied in Europe (including Turkey) and the Former Soviet Union. EXXONMOBIL LUBRICANTS & SPECIALTIES EUROPE, A DIVISION OF EXXONMOBIL PETROLEUM & CHEMICAL, Typical Properties are typical of those obtained with normal production tolerance and do not constitute a specification. Variations that do not affect product performance are to be expected during normal manufacture and at different blending locations. The information contained herein is subject to change without notice. All products may not be available locally. For more information, contact your local ExxonMobil contact or visit ExxonMobil is comprised of numerous affiliates and subsidiaries, many with names that include Esso, Mobil, or ExxonMobil. Nothing in this document is intended to override or supersede the corporate separateness of local entities. Responsibility for local action and accountability remains with the local ExxonMobil-affiliate entities.
Copyright 2001-2013 Exxon Mobil Corporation. All rights reserved.


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