Servo kool TM Plus is a radiator coolant that does not contain harmful chemicals like amines and borates, which could dissolve the surface of the radiator and other parts of the engine. Kool is a trade mark of IOCL, by percentage 30 percent of this coolant be mixed with 70 percent of water to make a ready to use coolant. Most of the automobile industries have approved this coolant for their automobiles, Kool TM Plus could be used in buses, bikes, 4 wheeler cars, trucks and most of the automobiles, as it is one of best coolants in the industry, the color of lubricant has changed from green to blue in past times to remove the duplicity that is found in the indian market.