Product Short Description: RXSOL-40-4019 is a blend of superior quality low nitrite/molybdate based water treatment product developed specifically for closed circuit systems.RXSOL-40-4019 also contains isothiazoline. Product Description: Corrosion inhibitor with micro-biocide manufacturer and supplier for cooling water treatment. RXSOL-40-4019 is a blend of superior quality low nitrite/molybdate based water treatment product developed specifically for closed circuit systems. RXSOL-40-4019 Acrylic copolymer based advanced formulation with isothiazoline, Which is micro-biocide for industrial cooling water systems. Isothiazolin is a preservative with antibacterial and antifungal effects, and is applicable at low concentration in all aqueous fluids. Corrosion inhibitor Low nitrite / molybdate for closed circuits