A lubricant composition that is particularly suited for use in steam and gas turbine oils and in circulating oils has a balance of excellent oxidative stability and reduced sludge formation and comprises a blended mixture of alkylated phenyl-α-naphthylamine and at least oil soluble triazole or triazole derivative in an oil of lubricating viscosity, such compositions being capable of a residual RPVOT of 25% after at least 500 hours test duration test duration 120°C in Dry TOST test or, alternatively 50% after 700 hours or 25% after 1000 hours.
一种特别适用于蒸汽轮机油、燃气轮机油和循环油的润滑剂组合物兼具出色的氧化稳定性和减少油泥形成的特性,由烷基化苯基-α-
萘胺和至少油溶性三唑或三唑衍
生物在润滑粘度油中的混合混合物组成,这种组合物在干式 TOST 试验中的试验持续时间 120°C 至少 500 小时后的残余 RPVOT 为 25%,或者 700 小时后为 50%,1000 小时后为 25%。