Product Description
The Ronex AW series of products continue the brand name and established
dependable performance of Ronex MP, upgraded to work in the fleet and off-road
market. The series, consisting of Ronex AW 221, 222 and 222 Moly, have been
formulated with an ISO 220 viscosity. This mid-viscosity strikes a good
balance between cold temperature pumpability and water resistance, while
providing the viscosity needed for bearings and other lube points. The water
resistance is enhanced by a shear stable polymer, capable of withstanding
harsh fleet and off-road applications. Ronex AW also contains a well balanced
performance additive package, providing all of the essential ingredients
needed for dependable performance. Rust and corrosion protection, wear and
shock load protection, consistent with the Ronex name, are balanced for
dependable performance.
Ronex AW is recommended for light duty passenger and on-highway truck fleet
service, construction and off-road lubrication of steering / suspension
components, hinge and bucket pins, bearings, and fifth wheels. The recommended
operating temperature range is -20 C to 120 C.
Features and Benefits
Ronex AW 220 series products provide the following advantages and benefits:
Features
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Advantages and Potential Benefits
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Balanced Formulation
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Dependable service for fleet and off-highway equipment lubrication
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Anti-wear protection under heavy and shock loads
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Excellent protection of lubricated equipment with the potential for extended
life and reduced maintenance
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Excellent protection against rust and corrosion
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Highly reliable equipment protection, even in hostile environments, with less
unanticipated downtime
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Mid-viscosity base oil
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Ability to operate across a wide temperature range while providing good wear
protection
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Good resistance to rain, mud and other wet conditions
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Extended greasing intervals with improved equipment life in adverse conditions
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Applications
Ronex AW 220 products are designed for lubrication of fleet and mining
equipment:
- Fleet equipment: All steering and suspension components, including HD truck kingpins, spring shackle pins, universal joints and fifth wheels.
- Mining equipment: Lube points for both stationary and mobile equipment. Note Ronex AW 222 Moly, containing 3% molybdenum disulfide, is ideal for oscillating and sliding lube points like bucket and hinge pins.
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Typical Properties

| 
Ronex AW 221
| 
Ronex AW 222
| 
Ronex AW 222 Moly
|
| NLGI Grade | 1 | 2 | 2 |
| Soap Type | Lithium Complex | Lithium Complex | Lithium Complex |
| Structure | Smooth; Slight Tack | Smooth; Slight Tack | Smooth; Slight Tack |
| Color | Green | Green | Gray, 3% Molybdenum Disulfide |
| Dropping Point, ºC (ºF) | 298 (568) | 298 (568) | 298 (568) |
| ISO Viscosity Grade | 220 | 220 | 220 |
| Viscosity of Oil, ASTM D 445 | | | |
| cSt at 40ºC | 220 | 220 | 220 |
| cSt at 100ºC | 18.8 | 18.8 | 18.8 |
| Penetration, ASTM D 217 | | | |
| Worked x 60 strokes | 325 | 280 | 280 |
| Worked x 100,000 strokes | 355 | 305 | 305 |
| Water Washout, ASTM D 1264, 79ºC (175ºF), % wt loss | 8.0 | 2.7 | 3.4 |
| Water Spray-Off, ASTM 4049, % wt loss | 37 | 25 | 27 |
| Timken OK Load, ASTM D2509, lb | 40 | 40 | 50 |
| Four-Ball Wear Test, ASTM D 2266, scar Diameter, mm | 0.6 | 0.6 | 0.52 |
| Four-Ball EP, ASTM D 2596, Weld Load, kg | 315 | 315 | 315 |
| Four-Ball EP, Load Wear Index | 47 | 47 | 55 |
| Corrosion Prevention, ASTM D 1743 | Pass | Pass | Pass |
| Emcor Rust Test, ASTM D 6138 | 0,0 | 0,0 | 0,0 |
| Copper Strip Corrosion, ASTM D 4048 | 1b | 1b | 1b |
| Low Temperature Mobility, 0 ºF (-18 ºC), ASTM D 1478, grams/min | 7.7 | 4.0 | 4.0 |
| Oil Separation, ASTM D 1742 | 6.0 | 3.3 | 2.4 |
| Cone Bleed, 100 C, 30 hours, ASTM D 6138, % wt loss | 5.3 | 1.4 | 1.4 |
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Health and Safety
Based on available toxicological information, this product produces no adverse
effects on health when properly handled and used. No special precautions are
suggested beyond attention to good personal hygiene, including laundering
grease-soaked clothing and washing skin-contact areas with soap and water. A
Material Safety Data Bulletin is available by calling 1-800-227-0707, Ext.
3265. For additional technical information or to identify the nearest U.S.
Mobil supply source, call 1-800-662-4525.
The Mobil logotype, the Pegasus design and Ronex AW are trademarks of Exxon Mobil Corporation, or one of its subsidiaries.
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