If you’re involved in operating machine tools, then you know the importance of metalworking fluids (MWFs). And yet, even though it’s a regularly used, familiar product, it doesn’t always get the attention it deserves. In fact, there are several nuances to consider when choosing the right MWF for your machines, tools and materials.
What is your favorite MWF to use and why?
Why emulsion colour changes to muddy red while use in ferrous maching in soft water?
It could be from the salts in the softener. you should send a sample to the manufacturer of the fluid and have it tested