It is the coolant without mineral oil, chlorine, boron, secondary ammines and bactericides donators of formaldehyde. It can be emulsified into the water, composed by synthetic, anti-rust, emulsionated and anti-fermentation. Thanks to the special formula with low environmental and health impact, it has a high resistance of the bactericides' degradation and slow foam. It has been studied that cutting working on steel, alloys and aluminium. It can be used also for yellow alloys (such as bronze and brass) and cast-iron. The product is dilutable in water from 4 to 10 %, based on effective operations. It can be removed from the final pieces through water or alkaline solution.