Mobil Polyrex EM Grease is manufactured by ExxonMobil Lubricants. This grease utilizes a Polyurea based thickener that acts like a sponge to hold the base oil in place so the oil doesn't run off the surface that requires protection. Polyurea is an outstanding performing thickener but special care should be taken to not mix it with other types of grease thickeners.
*This product was formerly known as Exxon Polyrex EM
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