M-640 Liquid Additive

M-640 L is a liquid corrosion inhibiting additive for water and glycol-based heat exchange fluids. It protects ferrous and non ferrous metals from corrosive contaminants. This product is an excellent replacement for silicates and phosphate/nitritebased/amine compounds.

Packaging and Storage: M-640 L is packaged in 5 gallon (19 liter) plastic pails, 55 gallon (208 liter) steel drums, liquid totes, and bulk. It should be stored in a tightly closed container. The shelf life is 24 months.