Mobilgard™ 525

ExxonMobil Marine , United Kingdom

Diesel Engine Cylinder Oil

Product Description

Mobilgard™ 525 is a marine diesel engine cylinder oil for crosshead engines running low and ultra low sulphur distillate fuels and meets the requirements of MAN and Wartsila engines. Designed to protect in extreme environments, Mobilgard 525 has an optimum viscosity of 20 cSt at 100ºC and low volatility to ensure lubricant distribution and oil film retention and help protect engine parts.

 

Applications

     •  Combats the deposits and scuffing related engine wear associated wth low sulphur fuels

     •  Excellent thermal and oxidative stability to ensure performance in a variety of engine conditions

     •  Formulated with detergent technology required to deliver excellent performance with low-sulphur fuel

     •  Detergency system provides strong control of piston groove deposits which is a critical area for distillate fuel operation

     •  Marine crosshead engines designed for increased power and fuel efficiency

     •  Earlier engine designs and engines in slow speed steaming operation

 

Specifications and Approvals

This product has the following builder approvals:

MAN B&W 2-Stroke Diesel Engines

WARTSILA & Sulzer 2-Stroke Engines <0.5% max. Sulfur Distillate Fuel

 

Properties and Specifications

Property

Grade

SAE 50

Flash Point, °C, ASTM D92

286

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

20

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

226

Pour Point, °C, ASTM D97

-9

Specific Gravity, 15 C/15 C, ASTM D4052

0.909

Total Base Number, mgKOH/g, ASTM D2896

25

Viscosity Index, ASTM D2270

102

 

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

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

12-2019

ExxonMobil Marine Limited
Ermyn Way
Leatherhead, Surrey
United Kingdom KT22 8UX

http://www.exxonmobil.com

Due to continual product research and development, the information contained herein is subject to change without notification.  Typical Properties may vary slightly.