BlueSky Stratus ZF-AW 46 is a premium mineral based lubricant that is used in Hydraulic Systems. Stratus ZF series represents hydraulic oils that are zinc-free with outstanding oxidation resistance. "AW" refers to the fluids "Anti-Wear" properties that are necessary to protect hydraulic pumps from premature wear. 46 represents the thickness of the oil which is an International Standards Organization Viscosity Grade (ISO VG) 46.
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