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Mobil Polyrex EP2

Mobil Polyrex EP2

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Mobil Polyrex EP 2Multi-purpose GreaseProduct DescriptionMobil Polyrex EP 2 is a shear-stable polyurea grease with excellent extreme-pressure (EP) and load-carrying characteristics. The proprietary polyurea thickener system exhibits excellent resistance to oxidation and oil separation at operating temperatures as high as 160°C (320°F). With its outstanding high-temperature oxidation stability, load-carrying capability, shear stability, water resistance and wide operating temperature range, Mobil Polyrex EP 2 is an excellent multi-purpose grease for a wide array of industrial and construction applications. Features and BenefitsEXTREME-PRESSURE PROTECTION AND THERMAL STABILITYMobil Polyrex EP 2 contains a proprietary extreme-pressure (EP) additive package that provides load-carrying capability without degrading the thermal stability of the grease at high temperatures. Conventional sulfur- and phosphorus-base EP additives used in other multi-purpose greases begin to oxidize rapidly at temperatures above 250°F. Mobil Polyrex EP 2, on the other hand, continues to provide a high level of wear and extreme-pressure protection up to 160°C (320°F) without rapid oxidation of the anti-wear or EP additives.The outstanding high temperature lubrication life of Mobil Polyrex EP 2 is impressively demonstrated in the ASTM D 3336 grease life test - with an average ASTM D 3336 life of 490 hours, 3 to 5 times better than the high-temperature lubrication life of competitive multi-purpose lithium-base greases.SUPERB SHEAR STABILITYThe proprietary polyurea thickener system in Mobil Polyrex EP 2 exhibits excellent durability and stability when subjected to a mechanical shearing force. For example, in the ASTM D 217 cone penetration test, the consistency of Mobil Polyrex EP 2 changed by approximately one NLGI grade after being worked for 100,000 strokes - similar to the performance of high-quality lithium-complex greases, which are the benchmark for excellent shear stability. By contrast, competitive polyurea greases containing shear-unstable thickener technology can soften by three NLGI grades under the same test conditions. Good mechanical shear stability is important in roller bearing applications where excessive grease softening may lead to grease leakage or purging from the bearing.EXCELLENT WATER RESISTANCEThe Mobil Polyrex EP 2 formulation is enhanced with water-resistant polymers that enable it to form a tenacious protective film in applications that are heavily contaminated with water. The excellent results obtained for Mobil Polyrex EP 2 in the water washout (ASTM D 1264) and water spray-off (ASTM D 4049) tests demonstrate the grease's ability to stay in place, even in the presence of a pressurized water spray.In summary, Mobil Polyrex EP 2 offers the following features and benefits:Outstanding high-temperature oxidation stabilityExcellent mechanical shear stabilityThermally stable extreme-pressure (EP) protectionWide operating temperature range -20°C (-4°F) to 160°C (320°F)Exceptional resistance to water spray-off and water washout ApplicationsMobil Polyrex EP 2 is an excellent multi-purpose grease for a wide array of industrial and construction applications. Typical PropertiesMobil Polyrex EP 2 Thickener TypePolyureaNLGI Grade2ColorGreenBase Oil Viscosity, ASTM D 445 cSt @ 40°C235cSt @ 100°C18.4Mineral Oil Viscosity Index, ASTM D 227085Penetration, ASTM D217 worked, 60x, mm/10280Penetration, ASTM D217 worked, 100,000, mm/10310Dropping Point, ASTM D 2265, °C (°F)280 (535)High Temperature Grease Life, ASTM D 3336, Hours @ 177°C4904-Ball Weld, ASTM D 2596, kg5004-Ball Wear Scar Diameter, @1200 rpm, 40kg, 75°C, 1 Hour, mm0.4Timken OK Load, ASTM D 2509, lb45Low Temperature Torque, ASTM D 4693, -40°C, Nm12.2Low Temperature Torque, ASTM D 1478, Torque @Startup/1 Hour in gcm and -20Cº1600/180Oil separation test, ASTM D 1742, %‹0.3Water Spray-off, ASTM D 4049, %15Water Washout, ASTM D 1264, @ 79°C, %2.7Rust Protection, ASTM D 1743PassA Few Fun Facts:We get all of our items from liquidations and estate sales and they have some normal condition wear from age & storage. Please review all photos for details of the item, and email us with any questions.We list new items at discounts each day so check out all of our deals! We can combine shipping on most items with some stipulation with large items .We accept payment by PayPal.Please note: Payment must be received within 72 hours or the item will be relisted. All items are shipped with care and appropriate packing materials.Unless otherwise stated, all merchandise is guaranteed working and we offer a "14 DAY RETURN FOR REFUND" warranty which covers functionality issues only. All merchandise is offered cosmetically AS-IS and we will not allow a return for cosmetic reasons. Returns for refund will only be allowed for items which are defective and will not be allowed for any other reason. A return for refund will not be allowed if you purchase an incompatible part. The stated 14 day warranty period begins at time of delivery to the shipping address which you provided and is not contingent on your ability or willingness to test or install the purchased merchandise.If you have a functional issue with the purchased merchandise, notify us and we will refund the purchase price of the item only. Shipping charges which are charged at time of purchase are non-refundable and the purchaser is responsible for paying all return shipping charges. All returned items must be securely packaged as if they were in working condition. Failure to do so will invalidate the warranty.If your item arrives damaged, please notify us immediately. You must retain all packaging in order for a claim to be filed with the shipping company. If the packaging is discarded, no claim can be filed and the item will not be covered under our return for refund warrantyPlease contact us by email if you have any problems or concerns before leaving negative feedback. We are reasonable and we will work with you as much as reasonably possible to resolve an issue since we want you to be satisfied with your purchase!- The Surplusology Team
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