Almo 527

Dầu Máy Khoan Almo 527
Mobil Almo 500 Series
Pneumatic Rock Drill and Tool Lubricants
Product Description
Mobil Almo 500 Series lubricants are premium quality high performance products primarily intended for the
lubrication of pneumatically operated rock drills in underground and surface mining operations. The Mobil Almo
Series oils are formulated from high quality base stocks and additives, which provide excellent chemical stability
and good protection against wear and corrosion. They offer an optimum balance of adhesiveness, yet are
emulsifiable enough to pick up moisture carried in the air stream reducing the negative effects of water on wear
and corrosion. They do not form gummy deposits that could cause sluggish valve action. Even in the presence
of water, the Mobil Almo 500 Series oils have good preferential metal-wetting properties that maintain continuous
oil films. These properties in combination with high EP characteristics help provide excellent lubrication resulting
in long equipment life.Mobil Almo 500 Series possess high viscosity indexes and low pour points to ensure good
lubrication at the low temperatures resulting from air expansion and guard against icing stoppages while providing
adequate films on drill parts that may operate at high temperatures. Oil fog generation levels are extremely low.
Features and Benefits
The Mobil Almo 500 Series oils provide an optimum performance balance which assures long equipment life
and minimal maintenance costs. Their excellent wear protection characteristics and ability to provide adequate
lubrication in the presence of water not only reduces wear but protects against rust and corrosion. Their good
chemical stability prevents sludge and deposit formation reducing the need for frequent maintenance.
Features Advantages and Potential Benefits
Reduce sludge and deposit formationImproves valve
Effective Chemical Stability
Desired Emulsifiable Properties Effective lubrication in presence of water
Provides good lubrication at both high and low
High Viscosity Index
Reduces component wearProlongs equipment
lifeReduces maintenance costs
Excellent Load Carrying Ability and Anti-Wear
Protects metal surfaces from corrosionProvides good
lubricant films under all conditions
Very Good Adhesive Characteristics
Rust and Corrosion Longer tool lifeIncreased tool performance
Mobil Almo 500 Series oils are recommended for use in all pneumatically operated rock drills in both underground
and surface mining as well as in contractor and other industrial applications. They are suitable for percussiveand
rotary- type tools. The viscosity grades allow selection for year-round use where seasonal ambient
temperature variations are extreme.
• Pneumatically operated rock drills in underground and surface mining operations
• Pneumatically operated drills and jack hammers in highway construction and building operations
1 of 2 01-2006
• Rock drills in quarry operations
• Percussion and rotary air-operated tools in industrial applications
Specifications and Approvals
Meets or Exceeds the following industry MobilAlmo 525 Mobil Almo 527Mobil Almo 529Mobil Almo 532
Ingersoll Rand Rock Drill Oil Light X
Ingersoll Rand Rock Drill Oil Medium X
Ingersoll Rand Rock Drill Oil Heavy X X
Typical Properties
Mobil Almo 525Mobil Almo 527Mobil Almo 529Mobil Almo 532
ISO Viscosity Grade 46 320
Viscosity, ASTM D 445
cSt @ 40º C 46 112.9 172 320
cSt @ 100º C 7.3 11.4 16.5 24.9
Viscosity Index, ASTM D 2270 105 91 102 99
Pour Point, ºC, ASTM D 97 -24 -30 -24 -21
Flash Point, ºC, ASTM D 92, min 188 204 232 232
Density @ 15.6º C, ASTM D 4052, kg/L 0.883 0.899 0.893 0.902
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.Switzerland Use: Toxicity class: free BAG T No.: 611500
The Mobil logotype, the Pegasus design and Almo are trademarks of ExxonMobil Corporation, or one of its

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