CT CI902 is an inorganic compound in liquid form. It is an effective corrosion inhibitor and is used as an additive in industrial greases, as an aqueous solution in closed loop cooling systems, and in a molten state as a heat transfer medium. CT CI902 is nitrite-based chemical treatment used for the control of corrosion in closed cooling systems. This product is designed to protect both mild steel and copper based alloys from corrosion.