Cortec VpCI-M640L Inhibiting Liquid Additive for Water and Ethylene Glycol-Based Engine Coolants 5 Gal.
M-640 L is a corrosion inhibiting additive for water and ethylene glycol-based engine heat exchange fluids. It protects ferrous and non-ferrous metals from corrosive contaminants. This product is an excellent replacement for silicates and phosphate/nitrite-based/amine compounds. M-640L is based on an organic-inorganic formulation designed for low level concentrations in field applications.
M-640L contains a unique combination of contact and vapor phase corrosion inhibitors that provide corrosion protection even in partially filled spaces.
SHELF LIFE: Up to 24 months.
PACKAGING AND STORAGE: This product is packaged in 5 gallon (19 liter) plastic pails. M-640L is also available in 55 gallon (208 liter) steel drums, liquid totes and bulk. It should be stored in a tightly closed container.