Soybean oil based metalworking fluids

摘要

The inventive composition comprises compatible combinations of vegetable oils and polar non-chlorine phosphorous-based extreme pressure additives, the composition being either (a) a working strength straight oil, (b) a soluble oil concentrate dilutable to a working strength soluble oil, the composition when at working strength effectively lubricating metal parts during high performance metalworking, and providing environmental and safety advantages.