White grease ball bearing

Mobil SHC Polyrex™ Series

Mobil SHC Polyrex™ Series greases deliver high-performance lubrication through advanced polyurea thickener technology.

Our Mobil SHC Polyrex™ Series greases are designed to offer high-temperature performance, excellent water resistance and balanced wear protection for a wide variety of industrial and food processing applications.

Built with advanced polyurea thickener technology and synthetic base oils, these greases are NSF H1 registered for incidental food contact, assisting in HACCP facility programs, and making them particularly valuable for use in the food and beverage industry. They have demonstrated outstanding performance, including:

  • Excellent load-carrying capabilities in steam-saturated conditions and dusty environments
  • Rust and corrosion protection with uncompromised grease life
  • Resistance to water washout and oil bleeding at high temperatures

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Product series information

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Mobil SHC Polyrex™ Series offers 4 lubricant grades

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Technical resources

Mobil SHC Polyrex™ 462 synthetic grease helps minimize mandrel shutdowns and generate cost savings*

A company’s switch to Mobil SHC Polyrex™ 462 synthetic grease for its press take-up mandrels resulted in lower maintenance costs, no unplanned shutdowns and significant cost savings. Learn more.

Success stories, PDF

Glossary of terms used in food machinery lubrication

Understanding food industry jargon doesn’t have to be complicated. Get in on the lubrication lingo with this helpful glossary.

Technical topics, PDF

Mobil SHC Polyrex™ 462 synthetic grease helps reduce bearing failures and unplanned shutdowns*

Learn how a company’s switch to Mobil SHC Polyrex™ 462 synthetic grease for its dust collector fan bearings reduced bearing failures and increased equipment productivity.

Success stories, PDF

Mobil SHC Polyrex™ 462 synthetic grease can reduce bearing costs to deliver potential annual savings up to US$55,000

A food company switched from a competitor grease to Mobil SHC Polyrex™ 462 synthetic grease for its pellet presses and improved bearing life to at least 1,000 hours. Find out more.

Success stories, PDF

All Mobil SHC Polyrex™ Series resources

Features and Benefits

The Mobil brand of oils and greases is recognized around the world for its innovation and outstanding performance. Mobil SHC Polyrex utilizes the advanced thickener technology of the Mobil Polyrex family of greases to deliver a high performance, problem solving product for some of industries' toughest lubrication problems. Mobil SHC Polyrex brings that performance to another level through the addition of a unique combination of synthetic oils, polymer enhancement and a balanced additive package that is geared to deliver solutions to tough lubrication problems.

Features Advantages and Potential Benefits
NSF H1 registered lubricants Allows use in food and beverage packaging and processing applications
Manufactured in facilities registered to ISO 21469 Product integrity assurance through independent verification.
Outstanding high temperature performance, up to 170°C Helps provide protection under harsh conditions and allows for extended re-lubrication or maintenance intervals.
Excellent load carrying capability Helps reduce bearing wear under heavy loads
Excellent Water Resistance and corrosion protection Helps reduce lubricant consumption and increase bearing protection where water wash downs are common.Helps reduce rust and corrosion extends equipment life

 

Applications

Application Considerations: While Mobil SHC Polyrex Series greases are compatible with many Polyurea and lithium complex greases, admixture may detract from their performance. Consequently it is recommended that before changing a system to one of the Mobil SHC Polyrex greases, it should be thoroughly cleaned out to achieve the maximum performance benefits. While the Mobil SHC Polyrex greases share many performance benefits, their applications are best described in terms of each product grade:

  • Mobil SHC Polyrex 005 is an NLGI 00 grade grease specifically designed for use in central grease systems. The enhanced pumpability and low temperature mobility make it an ideal choice for grease systems subject to low ambient temperatures, such as those found in food processing freezers or in outdoor applications. Mobil SHC Polyrex 005 may also be used for the lubrication of enclosed gears where oil leakage may be a concern. The recommended operating temperature range for this product is –30 to 170º C.
  • Mobil SHC Polyrex 221 is a multi-purpose, NLGI 1 grade grease specifically designed for use in heavy-duty plain and anti friction bearings. Mobil SHC Polyrex 221 has a recommended operating temperature range of -30° C to 170° C.
  • Mobil SHC Polyrex 222 is a multi-purpose, NLGI 2 grease recommended for heavy-duty plain and anti friction bearings. Mobil SHC Polyrex 222 has a recommended operating temperature range of -30º C to 170º C.
  • Mobil SHC Polyrex 462 is an NLGI 2 Grade grease recommended for heavily loaded plain and anti-friction bearings. It is also recommended for bearings where extreme temperatures are a concern, such as steam heated rolls, exhaust fan bearings, felt roll bearings, and oven conveyor bearings. The recommended operating temperature range is -20º C to 170º C.

 

Specifications and Approvals

Mobil SHC Polyrex Seriesmeets or exceeds the requirements of: Mobil SHC Polyrex 005 Mobil SHC Polyrex 221 Mobil SHC Polyrex 222 Mobil SHC Polyrex 462
DIN 51825 (2004:06) KPFHC1P-30 KPFHC2P-30 KPFHC2P-20
DIN 51826 (2005:01) GPFHC00K-30
FDA 21 CFR 178.3570 X X X X

  

 

Mobil SHC Polyrex Serieshas the following builder approvals: Mobil SHC Polyrex 005 Mobil SHC Polyrex 221 Mobil SHC Polyrex 222 Mobil SHC Polyrex 462
Kosher/Parve X X X X

 

 

Mobil SHC Polyrex Seriesis registered to the requirements of: Mobil SHC Polyrex 005 Mobil SHC Polyrex 221 Mobil SHC Polyrex 222 Mobil SHC Polyrex 462
NSF H1 X X X X
NSF H1 Registration No. 141947 145674 141946 139558

 

 

Typical Properties

Mobil SHC Polyrex Series Mobil SHC Polyrex 005 Mobil SHC Polyrex 221 Mobil SHC Polyrex 222 Mobil SHC Polyrex 462
NLGI Grade 00 1 2 2
Thickener Type Polyurea Polyurea Polyurea Polyurea
Viscosity, ASTM D 445:
40º C, mm²/s 220 220 220 460
100º C, mm²/s 30 30 30 40
Color White White White White
Penetration, Worked, 25º C, ASTM D217, 0.1 mm 415 325 280 280
Dropping Point, ASTM D2265, ºC 260 270 260 270
Water Washout, 79º C, ASTM D1264, % Weight Loss 37 7 7 5
Water Spray-Off, ASTM D4049, % Weight Loss ---- ---- 28 30
4-Ball Wear, ASTM D 2266, Scar, mm 0.45 0.45 0.45 0.45
4-Ball Weld Point, ASTM D 2596, kg 400 400 400 400
Bearing Corrosion, ASTM D 1743, Rating Pass Pass Pass Pass
EMCOR Rust Test, Distilled Water, ASTM D6138, Rating 0,0 0,0 0,0 0,0
FE9 Grease Life, 160º C, DIN 51821-160, F50, Hours ---- 200 >350 >350
Pumpability, -18º C, USS DM-43, g/minute 40 30 18 7

 

 

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.

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