Mobiltac 50M Series
Mobil industrial , Chile
Product Description
The Mobiltac 50M Series of premium performance open gear lubricants is designed to provide outstanding protection of heavily loaded open gears exposed to severe operating conditions. Mobiltac 50M is a semi-synthetic open gear lubricant containing high performance additives designed to provide an adhesive film and excellent load carrying capability particularly for open gears on shovels, draglines, and associated mining equipment.
Features and Benefits
Mobiltac 50M has the following features and potential benefits:
• Very high viscosity, semi synthetic lubricant designed to extend component life in heavily loaded open gear applications
• Excellent wash-off resistance in very wet operating environments
• Solid anti-wear and extreme pressure protection of mating surfaces against damaging wear in contact zones
• Available in three grades for different ambient operating conditions.
• Mobiltac 50M Heavy is recommended for ambient temperatures >20°F (-7°C) Mobiltac 50M Light is recommended for ambient temperatures from -15°F (-26°C) to 70°F (21°C) while Mobiltac 50M Arctic is recommended for ambient temperatures <50°F (10°C).
• Weld load protection > 800 kg
Applications
Mobiltac 50M is recommended for the lubrication of:
• Open gears on shovels, draglines and associated mining equipment with spray, brush or drip application
• The hoist gear on Caterpillar Mining electric rope shovels and in applications where an extra heavy open gear lubricant is desired
Properties and Specifications
Property |
MOBILTAC 50M HEAVY |
MOBILTAC 50M LIGHT |
MOBILTAC 50M ARCTIC |
Appearance, Visual |
Viscous Semi-Fluid |
Viscous Semi-Fluid |
Viscous Semi-Fluid |
Color, Visual |
Black |
Black |
Black |
Copper Strip Corrosion, Rating, ASTM D4048 |
1A |
1A |
|
Flash Point, °C, ASTM D92 |
300°F (149°C) |
284°F (140°C) |
290oF (143oC) |
Four-Ball Extreme Pressure Test, without Diluent, Weld Point, kgf, ASTM D2596 |
>800 |
>800 |
>800 |
Rust, Rating, ASTM D1743 |
PASS |
Pass |
Pass |
Ventmeter, 600, psi, Lincoln VE-1 |
20°F @ <30 sec |
-15°F @ <150 sec |
-30oF @<150 sec |
Viscosity @ 40 C, Base Oil, mm2/s, ASTM D445 |
50,000 cSt |
50,000 cSt |
50,000 cSt |
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.
08-2023