M-640 L is a corrosion inhibiting additive for water and ethylene glycol-based engine heat exchange fluids. This is a liquid version of M-640 powder. It protects ferrous and non-ferrous metals from corrosive contaminants. This product is an excellent replacement for silicates and phosphate/nitrite-based/amine compounds.
• Protects ferrous and non-ferrous metals from corrosion and pitting
• Nitrite, chromate, silicate, and heavy metal-free
• Contains contact and vapor phase corrosion inhibitors
• Use in low dosages
• Environmentally acceptable
Refer to data sheet for further information.