Jet-Mate® Water-Alcohol dyestuffs can provides a wide spectrum of colors and a very high degree of solubility in water/glycol systems .They can readily be incorporated into the coolant formulation as powders or liquids. These dyes are often used to differentiate coolant products or to impart a select color into the formulation. Dyes used to color antifreeze must not only be soluble in the coolant formulation and impart the desired color, but they must also be stable at elevated temperatures.