VpCI-377 is a water-based concentrate, designed to completely replace oil-based antioxidants, for protection under roof. VpCI-377 is a corrosion preventive liquid, which meets all the requirements to be non-polluting. The wide range of dilution with water (between 0.5% and 20%) * provides the customer with flexibility to adapt the duration of protection and the applied cost per square foot (or m2). VpCI-377 is a clear, dark brown solution in water and is applied to metal surfaces by spraying or dipping. In many cases, it is not necessary to remove the VpCI-377, but if required it can be done with alkaline detergents, such as Cortec VpCI-410 Series. VpCI-377 is also available in a cold weather version. VpCI-377 Winterized has a lower freezing point for easy application and storage in cold temperatures. * Contact the Chemical Department for more information on the appropriate dilution to use.