Nano inhibitors reach even the smallest cavities. Full protection & low environmental impact.


VpCI®-386 is a fast drying, water-based acrylic one coat system (topcoat) that can be applied DTM (direct to metal) for corrosion protection in outdoor unsheltered applications.


It offers a variety of environmental and user benefits. It's a good alternative to solvent-based corrosion inhibitor coatings with a relatively low VOC of 0.6 lbs/gal (72 g/L), well below the typical cutoff of 3.5 lbs/gal (419 g/L) for VOC compliance in many regions.


As a water-based product, VpCI®-386 is able to compete with many paints and zinc-rich coatings thanks to the power of Cortec’s “NANO” VpCI® inhibitors. These inhibitors fight micro-corrosion by forming a molecular protective layer that follows the intricacies of the substrate’s micro-cavities. This offers fuller inhibitor coverage than traditional sacrificial metal inhibitors, which leave gaps due to their relatively large particle sizes. Implementing VpCI®-386 allows users to lower environmental impact by reducing VOCs while also minimizing worker exposure to solvents and making coating cleanup easier.


Cortec VpCI 386 offers fuller inhibitor coverage than traditional sacrificial metal inhibitors, which leave gaps, allowing corrosion to set in.

VpCI®-386 is adaptable to a variety of applications. In addition to applying direct to metal, it can also be applied as a clear coat on top of another coating, creating minimal change to surface appearance. For example, a Pacific military base that wanted to protect Airfield Damage Repair vehicles, which were sitting in very corrosive conditions near the ocean benefited from using a low-gloss version of VpCI®-386 applied as a clearcoat over the vehicle paint without altering vehicle appearance, while providing protection, which allowed personnel to use the equipment at any time.


Panels coated in VpCI 386 and a conventional DTM coating display Cortec's nano corrosion inhibitor's superiority in protecting against salt spray

In another case, an Indonesian dealer of heavy equipment applied VpCI®-386 Black and CAT Yellow to maintain the vehicles’ appearance while providing corrosion protection in a seaside storage yard after conventional paint failed to provide the desired solution. After three months of use by an Indonesian dealer of heavy equipment, VpCI®-386 has been shown to outperform conventional paint on tested areas where conventional paint had failed to provide the the desired solution. VpCI®-386 Black and CAT Yellow was used to maintain the vehicles’ appearance while providing corrosion protection in a seaside storage yard. The customer decided to do a full paint job on the equipment bodies using the custom tinted VpCI®-386 coatings based on these results.

VpCI®-386 Black and CAT Yellow used to maintain the vehicles’ appearance while providing corrosion protection in a seaside storage yard after conventional paint failed to provide the desired solution
As a permanent coating that can be welded over, VpCI®-386 doesn’t need to be removed before final instalment or use of the protected metal components.

It doesn’t need to be applied at manufacturing, as it can be applied farther down the line to protect expensive metal assets that will sit for extended periods at storage sites.


VpCI®-386 is an excellent option for industries needing a water-based corrosion inhibitor coating. In addition to its corrosion protection benefits, VpCI®-386 minimises changes to surface appearance, reduces VOCs, and minimises worker exposure to solvents to present an overall friendlier profile for users and the environment.


VpCI 386 - Description


EcoShield® VpCI®-386 is a fast drying, water-based acrylic one coat system (topcoat) that can be applied DTM (Direct to Metal) and provides protection in harsh, outdoor, unsheltered applications. The complex mixture of non-toxic, organic inhibitors offers protection that competes with most paints and zinc-rich primers. Provides multi-metal protection. Excellent UV resistance. EcoShield® VpCI®- 386 is weldable and can be used to keep surfaces corrosion- free prior to welding. Can be matched to most custom colors.

NSN 8030-01-481-8897 (clear only).


Packaging & Storage

EcoShield® VpCI®-386 is available in 5 gallon (19 L) pails, 55 gallon (208 L) metal drums, liquid totes, and bulk.

Keep product from freezing (unless using winterized version).

To ensure best product performance, store in original packaging, indoors, and out of direct sunlight at 40-100 °F (4-38 oC).

Shelf life: 1 year


Characteristics/Technical Data

LIMITED WARRANTY All statements, technical information and recommendations contained herein are based on tests Cortec® Corporation believes to be reliable, but the accuracy or completeness thereof is not guaranteed.



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Speak to our team about protecting your assets with VpCI technology: +44 (0)7469 140 160


Or email us: salesuk@presserv.com


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