VpCI® protects ferrous and non-ferrous metals, carbon and stainless steel, aluminum, copper and brass from corrosion in closed loop applications.

Product Description BenefitsApplications
VpCI®-641 SeriesVpCI-641 liquid is a water-based, rust preventive additive.A liquid water-based rust preventive based on all organic components that can protect at extremely low concentration levels. Contains no nitrates or phosphates.Protects carbon steel, stainless steel, aluminum, copper, and brass. Hydrostatic testing and some fresh-water closed-loop cooling systems. Not for long-term post-application protection.
VpCI®-645VpCI®-645 is a water-soluble contact corrosion inhibitors
A non-toxic, biodegradable concentrate for protection in corrosive solutions containing chlorides. Offers best protection in alkaline system.Protects ferrous and non-ferrous metals. Low dosage effectiveness for a wide variety of marine and process applications requiring economical corrosion inhibition for fresh and salt water (e.g., layup, hydrotesting).
VpCI®-648VpCI®-648 is a water treatment additive designed for corrosion protection of ferrous metals and copper.Organic water treatment for corrosion protection in deionised or reverse osmosis water. Does not contain nitrites or halogen counter ions.Protects ferrous metals and copper. Specifically intended for water-cooled generator stators in the power industry. Also applicable to other low conductivity/low sodium cooling systems or cutting operations.
VpCI®-649 SeriesVpCI-649 is a unique concentrated liquid formulation that protects ferrous and non-ferrous metals from corrosive solutions.Combines contact and Vapour phase Corrosion Inhibitors along with anti-scalants. Does not contain nitrites, phosphates, chromates, or heavy metals. Minimises disposal problems. Available in several versions for different application needs.Protects ferrous and non-ferrous metals. Hydrotesting, layup, closed loop systems, fire extinguishing systems.
VpCI® Coolant AntifreezeVpCI® Coolant Antifreeze is a corrosion inhibiting heat transfer fluid feauturing the wide range of use temperatures. Thermally stable corrosion inhibitor for a wide range of temperatures. Nitrite-, chromate-, heavy metal, and silicate free. Contains contact and Vapor phase Corrosion Inhibitors.Protects copper, brass, solder, carbon steel, cast iron, and aluminum. Applications include engine coolants and low temperature closed-loop systems. Effective with systems operating from -60 °F to 280 °F (-50 °C to 140 °C).
This is a snapshot of the products that we have available, please contact your A S Harrison & Co representative for a discussion on the products appropriate for your applications.


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