| 摘要 |
A sulfur free lubricating composition comprises a major portion of a synthetic base lubricating oil and a minor portion of a tri(alkyl phenyl) phosphate or di(alkylphenyl)phosphoric acid antiwear agent, an amine antioxidant a substituted succinamide rust inhibitor and a tolytriazole. The tri(alkylphenyl)phosphate antiwear agent is incorporated in the oil in an amount ranging between about 0.1 to 2.0 wt% and the amine antioxidant in amount ranging from about 0.1 to 5 wt%. The succinamide is present in an amount ranging from about 0.01 to 0.5 wt% and the tolytriazole, from about 0.01 to 0.5 wt%. In the foregoing, the wt% is based on the weight of oil.
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