Mobil SHC Polyrex Series

High Temperature Synthetic Polyurea Greases

The Mobil SHC™ Polyrex series of greases are specifically designed to improve your productivity by solving high temperature lubrication problems in both general industry and food processing applications. Developed using advanced Polyurea technology, these synthetic, polymer-enhanced greases bring a high temperature solution to the market while carrying a full NSF H1 registration.

 

The Mobil SHC Polyrex Series of greases are designed to offer a combination of high temperature performance, excellent water resistance, and the balanced wear performance consistent with Mobil grease products. Using advanced  Polyurea  thickener technology, ExxonMobil researchers developed a unique combination of synthetic oils that achieve excellent high temperature performance able to provide lubrication up to 170°C. Even at these extreme temperatures, Mobil SHC Polyrex resists oxidation and loss of structural stability allowing re-lubrication intervals to be extended while maintaining equipment protection.  The carefully balanced combination of thickener, base oils, and additives yields a grease with excellent load carrying capabilities and rust protection. Mobil SHC Polyrex is also highly resistant to water and has excellent corrosion protection providing added protection to equipment in wet, humid environments and applications where water wash downs are frequent.

 

All Mobil SHC Polyrex greases are NSF H1 registered and also comply with Title 21 CFR 178.3570 by the Food and Drug Administration (USA) for lubricants with incidental food contact. Additionally, they meet the requirements of Kosher. Mobil SHC Polyrex Greases are manufactured at ISO 22000 certified facilities that also meet the requirements of ISO 21469 helping to ensure that the highest levels of product integrity are maintained.

 

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

This product has the following approvals:

MOBIL SHC POLYREX 005

MOBIL SHC POLYREX 221

MOBIL SHC POLYREX 222

MOBIL SHC POLYREX 462

Kosher & Parve

X

X

X

X

 

This product is registered to the requirements of:

 

 

 

 

NSF H1

X

X

X

X

 

This product meets or exceeds the requirements of:

 

 

 

 

DIN 51825:2004-06 - KPF HC 1 P -30

 

X

 

 

DIN 51825:2004-06 - KPF HC 2 P -20

 

 

 

X

DIN 51825:2004-06 - KPF HC 2 P -30

 

 

X

 

DIN 51826:2005-01 - GPF HC 00 K -30

X

 

 

 

FDA 21 CFR 178.3570

X

X

X

X

 

Properties and Specifications

Property

MOBIL SHC POLYREX 005

MOBIL SHC POLYREX 221

MOBIL SHC POLYREX 222

MOBIL SHC POLYREX 462

Grade

NLGI 00

NLGI 1

NLGI 2

NLGI 2

Thickener Type

Polyurea

Polyurea

Polyurea

Polyurea

Base Oil Viscosity of Greases @ 100 C, mm2/s, AMS 1700

30

30

30

40

Base Oil Viscosity of Greases @ 40 C, mm2/s, AMS 1697

220

220

220

460

Color, Visual

White

White

White

White

Corrosion Prevention, Rating, ASTM D1743

PASS

PASS

PASS

PASS

Dropping Point, °C, ASTM D2265

260

270

260

270

FAG Roller Bearing Grease Test FE9, Shielded, 1500N, 6000 rpm, 160 C, L50 hrs, DIN 51821 Variation B

 

200

>350

>350

Four-Ball Extreme Pressure Test, Weld Point, kgf, ASTM D2596

400

400

400

400

Four-Ball Wear Test, Scar Diameter, 40 kg, 1200 rpm, 1 h, 100 C, mm, ASTM D2266

 

0.45

0.45

 

Four-Ball Wear Test, Scar Diameter, 40 kg, 1200 rpm, 1 h, 75 C, mm, ASTM D2266

0.45

 

 

0.45

Grease Mobility, -18 C, g/min, US Steel DM-43

40

30

18

7

Penetration, 60X, 0.1 mm, ASTM D217

415

325

280

280

SKF Emcor Rust Test, Distilled Water, Rating, ASTM D6138

0,0

0,0

0,0

0,0

Water Sprayoff, Loss, %, ASTM D4049

 

 

28

30

Water Washout, Loss @ 79 C, wt%, ASTM D1264

37

7

7

5

 

Health and Safety

Health and Safety recommendations for this product can be found on the Material Safety Data Sheet (MSDS) @ http://www.msds.exxonmobil.com/psims/psims.aspx