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M-640 Series


High-temperature corrosion inhibitor for water and glycol-based closed-loop systems. An excellent replacement for silicates and phosphate/nitrite-based/amine compounds. Contains contact and Vapor phase Corrosion Inhibitors. Available in liquid or powder.


Protects copper, brass, solder, carbon steel, cast iron, and aluminum. Designed for heat exchange fluids, antifreeze, and coolants. Effective with systems operating up to 302 °F (150 °C).

Product Data Sheet

M-640 PDS


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