Test results proved that, in the process of using oil, the lightoil content in lubricating oil can be judged from the decreasing degree of flash point.
试验证明:在油品使用过程中,从闪点的下降程度可以判断混入轻质油的含量。
2
Medium with worse lubricating property, such as light fuel oil, heavy fuel oil, coal tar, asphalt, viscose, emulsified mixture, etc.