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Mobil 美孚Rarus 829/Mobil829
点击次数：153发布时间：2018/10/23 11:36:24
更新日期：2024/3/23 17:19:12
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详细内容
工业润滑油批发屏蔽,13620934101Mobil SHC™ 600 Series
Mobil Rarus™ 800 Series
Mobil Industrial, United States
Air Compressor Lubricants
Product Description
The Mobil Rarus™ 800 Series is a line of supreme performance air compressor lubricants primarily intended for the lubrication of severe duty reciprocating air compressors but not recommended for air compressors used in breathing air applications. They are engineered to meet or exceed the stringent requirements of the major compressor manufacturers. They are formulated with design-specific synthetic base-oils ａnd a high technology additive system that assures exceptional equipment protection ａnd reliability for compressors operating under conditions where mineral-oil based products are not meeting expectations. Mobil Rarus 800 Series provides excellent wear protection ａnd outstanding resistance to oxidation ａnd thermal degradation, greatly superior to mineral oils. Their unique formulation provides the ability to help reduce maintenance costs through minimising equipment problems ａnd downstream deposits ａnd carryover.
Mobil Rarus 800 Series lubricants significantly reduce the potential for fires ａnd explosions, compared to mineral oil-based products. They exhibit a virtual absence of deposit formation ａnd higher autogenous ignition temperatures improving both performance ａnd safety. Their exceptional water separating characteristics reduce problems with emulsion formation ａnd carryover into downstream piping ａnd equipment. They are recommended or approved by many of the leading compressor manufacturers.
Features ａnd Benefits
The use of the Mobil Rarus 800 Series oils can result in cleaner compressors ａnd lower deposits compared to conventional mineral oils, resulting in longer running periods between maintenance intervals. Their excellent oxidation ａnd thermal stability safely allow extended life capability while controlling sludge ａnd deposit formation. They possess outstanding anti-wear ａnd corrosion protection, which enhances equipment life ａnd performance.
| Features | Advantages ａnd Potential Benefits |
| High Performance Synthetic Base Stocks | Significant performance capabilities relative to mineral oils Improved safety |
| Low Ash ａnd Carbon Formation | Improved valve performance Reduced deposits in discharge lines Reduced potential for fires ａnd explosions in discharge systems Improved compressor performance |
| Outstanding Oxidation ａnd Thermal Stability | Longer oil life Improved filter life Lower maintenance costs |
| High Load-carrying ability | Reduced wear of rings, cylinders, bearings ａnd gears |
| Excellent Water Separability | Less carryover to downstream equipment Reduced sludge formation in crankcases ａnd discharge lines Reduced blockage of coalescers Less potential for emulsion formation |
| Effective Rust ａnd Corrosion Protection | Improved protection of valves ａnd reduced wear of rings ａnd cylinders |
Applications
The Mobil Rarus 800 Series oils are recommended for single ａnd multistage air compressors, but are not recommended for air compressors used in breathing air applications. They are particularly effective for continuous high temperature operation with discharge temperatures up to 200ºC. They are suitable for reciprocating ａnd rotary type machines with the lower viscosity grades mainly used in rotary compressors. Rarus 800 Series oils are recommended for units with a history of excess oil degradation, poor valve performance or deposit formation. They are compatible with all metals used in compressor construction ａnd with mineral oil-based lubricants but admixture will detract from their performance capabilities. Mobil Rarus 800 Series oils are compatible with seals made from fluorinated hydrocarbon, silicone, fluorosilicone, polysulfide, Viton, Teflon, ａnd high nitrile Buna N NBR (above 36% acrylonitrile) materials. Materials not recommended include low nitrile Bune N NBR (below 30% acrylonitrile), natural ａnd butyl rubbers, Neoprene, polyacrylate, styrene/butadiene ａnd chlorosulfonated polyethylene.
Oil resistant paints are not affected by Mobil Rarus 800 Series, but lacquer, varnish, pvc ａnd acrylic paints are not recommended.
The following types of compressor applications have shown excellent performance with the Mobil Rarus 800 Series oils:
- All types of air compressors but specifically recommended for reciprocating air compressor
- Units operating under severe conditions
- Multistage units with a history of excessive oil degradation from mineral oil-based products
- They can be used for cylinder ａnd crankcase lubrication
- Compressor systems with critical gears ａnd bearings
- Compressors used in stationary ａnd mobile applications
Typical Properties
| Mobil Rarus 800 Series | 824 | 827 | 829 |
| ISO Viscosity Grade | 32 | 100 | 150 |
| Viscosity, ASTM D 445 | |||
| cSt @ 40ºC | 29.5 | 107.5 | 158 |
| cSt @ 100ºC | 5.5 | 10.12 | 13.2 |
| Viscosity Index, ASTM D 2270 | 127 | 66 | 70 |
| Total Acid Number, ASTM D 974, mgKOH/g | 0.06 | 0.15 | 0.14 |
| Copper Strip Corrosion, ASTM D130, 3 h @ 121ºC | 1B | 1B | 1B |
| Rust Characteristics Proc A, ASTM D 665 | Pass | Pass | Pass |
| Foam Seq I, ASTM D 892 | 10/0 | 10/0 | 50/0 |
| Pour Point, ASTM D 97, ºC | -54 | -36 | -40 |
| Flash Point, ºC, ASTM D 92 | 244 | 270 | 270 |
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.
