Mobil Rarus™ PE R 220

Mobil industrial , 中国

Ethylene compressor oil

Product Description

Mobil Rarus™ PE R 220 is a premium ethylene compressor oil of ISO viscosity grade 220.  It is a polymer thickened, food-grade white oil based lubricant used for the lubrication of ethylene hyper compressors.

In the production of polyethylene, high-speed reciprocating compressors are used to compress ethylene gas to high pressures up to 3000bar. In these applications, the compressor lubricant can come in contact with the polyethylene in the polymerization process.  Under these circumstances, the lubricating oil required must be of acceptable purity and be known not to modify the properties of the polyethylene.

Mobil Rarus PE R 220 provides good lubrication of the compressor cylinders and is compatible with the polyethylene process.  It can be used to produce polyethylene where food contact can occur such as in food packaging.  Mobil Rarus PE R 220 offers good thermal and chemical stability.


Features and Benefits

Mobil Rarus PE R 220 is specifically engineered to help provide long and trouble-free compressor performance. Mobil Rarus PE R 220 is NSF H1 registered and meets the requirements of FDA regulation 21CFR 178.3570 for lubricants with potential for incidental food contact. Mobil Rarus PE R 220 also meets the requirements of FDA regulation 21 CFR 177.1520 for processing aids used in the production of olefin polymers intended for use in contact with food.

Mobil Rarus PE R 220 compressor oil offers the following benefits:

FeaturesAdvantages and Potential Benefits
High neutrality  and low reactivity  componentsDo not interfere with catalytic polymerization reactions
High purity componentsDo not induce any discolouration or odor in the final polymer
Components approved for food contactSuitable for the manufacture of polymers for food packaging
Low polaritySuitable in the manufacture of polymers for electrical insulation and thin bags (plastic bags)
Premium quality productReduced maintenance shutdowns
  • Suitable for applications where it can come in contact with food
  • High purity levels so that it will not modify properties of polyethylene
  • Excellent cylinder lubricant helping to prolong compressor life
  • Good thermal and chemical stability resulting in lower deposits and longer oil life



Mobil Rarus PE R 220 has the following applications

  • High pressure ethylene compressors
  • Compressors used in the production of polyethylene used in food contact applications


Specifications and Approvals

Mobil Rarus PE R 220 meets or exceeds the requirements of: 
FDA 21 CFR 178.3570X
FDA 21 CFR 177.1520X


Mobil Rarus PE R 220 is registered to the requirements of: 
NSF Registration Number141136


Typical Properties

Test MethodTestUnits Mobil Rarus PE R22
ISO Viscosity grade  220
Density at 15°CASTM D4052Kg/m3871
Kinematic viscosity at 40°CASTM D 445mm2/s227
Colour, SayboltASTM D156 + 27 min
Flash PointASTM D 92°C210
Pour PointASTM D 97°C- 12 max
Acid numberASTM D 974mg KOH/g0.05
Water contentASTM D 6304ppm50


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 or will be provided by seller to customers if and as legally required. This product should not be used for purposes other than its intended use. If disposing of used product, take care to protect the environment.

All trademarks used herein are trademarks or registered trademarks of Exxon Mobil Corporation or one of its subsidiaries unless indicated otherwise.


ExxonMobil (China) Investment Co. Ltd
17th Floor, Metro Tower
30 Tian Yao Qiao Road
Shanghai 2000030

+86 21 24076000

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