SynSpar GP is a medium to heavy duty, dye, perfume and oil free multi-function synthetic coolant for use on ferrous and nonferrous metals. SynSpar GP offers long term in-tank stability providing longevity and machine performance. Incorporating a unique blend of raw materials into the formulation of SynSpar GP, provides excellent tool life and surface finish qualities previously known only to chlorine and/or sulfur containing products. Tool steels, carbon steel, stainless steel, copper, brass, cast iron and some of the space age alloy type metals have all been run with SynSpar.