Definition: 
Is an oil-in-water type of coolant and lubricant designed specifically for metalworking and machining processes.
The properties that are sought after in a good cutting fluid are the ability to:
- keep the workpiece at a stable temperature (critical when working to close tolerances). Very warm is OK, but extremely hot or alternating hot-and-cold are avoided.
- maximize the life of the cutting tip by lubricating the working edge and reducing tip welding.
- prevent rust on machine parts and cutters.
Uses: Drilling 
Turning 
Sawing 
Grinding 
Milling 
Reaming 
Industry: Auto Parts Manufacturing, Machine Shops, Rollforming
Preparation of water soluble cutting oil:
The oil concentrate must be added to the water (remember: oil = Oil in last).
- Measure the water into a clean tank.
- Measure the required volume of concentrate and gradually pour it into the water. Keep mixing while pouring. Slow-speed mechanical agitation is preferred.
- Use a suitable mixing unit or proportioner.
- Verify concentration after mixing.
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