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Most military’s greases are formulated for use in severe service environments and multipurpose applications. To meet these requirements, the specifications usually require a wide operational-temperature range; excellent water and storage stability; good shear and oxidation stability; good antiwear and load carrying capacity; and rust and corrosion protection. These physical and chemical properties can change during storage and use. Most of these changes are interrelated and can eventually lead to lubrication failure.

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