Mobilarma™ 778

Mobil industrial , United States

Premium Performance Rust Preventives

Product Description

The Mobilarma 778 is intended for protection cold-rolled sheet and coiled steel in the metal industry and it exhibit excellent water displacing properties and form thin tenacious films that protect surfaces even under severe conditions that include high moisture levels and exposure to acid or corrosive fumes.


The Mobilarma 778 forms wet, oily and extremely thin barrier films that are not tacky so that it will not attract dirt or other foreign matter. It will protect sheet and coiled steel for up to twelve months, even under severe conditions that include variations in humidity and exposure to acid fumes that might be found in the vicinity of pickling operations.


Features and Benefits

Mobilarma 778 provides an effective and cost efficient means of protecting cold-rolled sheet and coiled steel prior to processing and during storage. It provides extended protection, even under severe storage conditions resulting in less reject and scrapped materials.



Advantages and Potential Benefits

Effective rust and corrosion protection



Less waste and lower costs

Easy application



Less waste and lower costs

Economical to use



Good coverage and protection with thin films



Mobilarma 778 is recommended for use as:


     •  Protective coatings for cold-rolled sheet and coiled steel


     •  Coatings for precision machined parts and instruments for storage


     •  A die lubricant in some light duty pressing operation


Properties and Specifications



Pour Point, °C, ASTM D97


Density 15.6 C, kg/L, CALCULATED


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


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



Health and safety

Health and Safety recommendations for this product can be found on the Material Safety Data Sheet (MSDS) @

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


Exxon Mobil Corporation
22777 Springwoods Village Parkway
Spring TX 77389

1-800-ASK MOBIL (275-6624)

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
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