Ecocool 68 CF 2 is a low-mineral oil, water-miscible coolant designed for multi-purpose use on cast iron, steel and non-ferrous materials. Ecocool 68 CF 2 produces a long-life, stable and finely dispersed beige opalescent emulsion when mixed with water. Ecocool 68 CF 2 is free of nitrite and PTBBA and contains no substances designated as hazardous.