Product Description
Mobil Zerice S Oils are premium quality synthetic refrigeration compressor
lubricants. Based on alkyl benzenes, which due to their nature, have superior
miscibility with hydrochlorofluorocarbon (R22), as well as chlorofluorocarbon
refrigerants (R 502 and R 12: possibly used on some old refrigerating plants).
This allows them to be used in very low temperature applications, down to -60C.
Features, Advantages and Benefits
Relative to mineral and other synthetic lubricants, Mobil Zerice S has
superior solubility with halocarbon refrigerants. This helps avoid the common
problem of oil separation and congealing on the valve and heat transfer
surfaces of the refrigeration system.
Additionally, Mobil
Zerice S lubricants have very low pour and floc points which helps prevent
harmful wax precipitation that can block expansion valves and heat transfer
surfaces.
Mobi Zerice S lubricant's synthetic nature provides
excellent chemical stability and resists reaction with refrigerants and high
thermal stability which helps prevent oil breakdown.
Features
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Advantages and Potential Benefits
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Miscibilty with halocarbon refrigerants
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Increased system efficiency
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Low pour and floc points
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Avoids wax precipitation and increased system efficiency
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Chemical Stability
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Long oil service life
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Applications
Mobil Zerice S lubricants are recommended for all refrigeration compressor
types, reciprocating or rotary screw types. They are well suited for use with
fluorocarbon refrigerants. They should not be used with sulfur dioxide or
R134A refrigerants. The specific viscosity grade should be selected in
accordance with the compressor manufacturer's recommendations.
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Typical Properties

Mobil Zerice S
| 
15
| 
32
| 
46
| 
68
| 
100
|
| Viscosity, ASTM D 445 | | | | | |
| cSt @ 40ºC | 15 | 32 | 46 | 68 | 100 |
| cSt @ 100ºC | 3.0 | 4.2 | 5.4 | 6.5 | 8.0 |
| Pour Point, ºC, ASTM D 97 | -39 | -33 | -30 | -27 | -27 |
| Flash Point, ºC, ASTM D 92 | 140 | 154 | 154 | 174 | 186 |
| Floc Point, R12, ºC | -60 | -60 | -60 | -60 | -60 |
| Acid Number, mg/KOH, max., ASTM D 974 | .05 | .05 | .05 | .05 | .05 |
| Copper Corrosion 3 h, at 100 ºC, ASTM D 130 | 1 | 1 | 1 | 1 | 1 |
| Water Content, ppm, ASTM D 1533 | ‹30 | ‹30 | ‹30 | ‹50 | ‹30 |
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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.
The Mobil logotype, the Pegasus design, and Zerice are trademarks of ExxonMobil Corporation, or one of its subsidiaries.
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