天气预报 > 其他 > 导热油用多长时间就该换了
导热油用多长时间就该换了
更新时间: 2020-09-28 00:00:00  

导热油的使用寿命跟使用时间关系不大,该不该换油主要看它的技术指标的变化,一般残碳大于百分之一点五、酸值大于一点五、运动粘度大于五十,只要其中一个指标超标,就应该换油了。其它的指标如闪点、水分和低沸物超标还可以补救,不用换油。

关键词: 导热 时间

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