CASE HISTORY SPOTLIGHT: Case History #737: Cortec® Coatings for Forklift Preventative Maintenance

A fork truck rental company found its equipment seriously damaged by corrosion after leasing it for use in the corrosive environment of a sauerkraut plant. In order to arrest the corrosion and preserve resale value, the company began a monthly preventative maintenance program using Cortec® Coatings. CorrVerter® was used to passivate existing rust, and EcoShield® 386 was applied to all painted metal surfaces. Moving parts that could not be painted were protected with CorShield® VpCI® -369. Exposed electrical connections were sprayed with ElectriCorr® VpCI® -239. These products are reapplied as needed during monthly maintenance and have led to a huge improvement in rust prevention. The customer rarely has to use CorrVerter® anymore and is able to keep the equipment in resalable condition during the lease period.

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Keywords: fork truck rental, equipment corrosion, sauerkraut plant maintenance, equipment resale strategies, preventative maintenance, forklifts, Cortec, VpCI, rust prevention

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PRESS RELEASE: Need a Quick-Dry Anticorrosion Coating for Your Paint Line? Try EcoShield® 386 FD for Less Sticking!

Mass production of metal parts often includes protective coatings application. But in the fast-paced manufacturing environment, there may not be enough time for the parts to cool before the coating dries. This is counterproductive when hot painted parts stick together, only to be pulled apart later and leave the coating damaged. EcoShield® 386 FD is designed specifically to eliminate this problem.

Eliminate Sticking on Hot Coated Parts
EcoShield® 386 FD Water Based Micro Corrosion Inhibiting Coating is a force-dry version of Cortec’s top water-based anticorrosion coating, EcoShield® VpCI®-386. As such, EcoShield® 386 FD offers excellent corrosion protection at 1.5-3.0 mils (37.5-75 µm) DFT (dry film thickness). The advantage is that EcoShield® 386 FD force-dries in only 5-10 minutes at 150 °F (54 °C) and has good hot hardness, which keeps the hot coated parts from sticking together before they can cool down.

A Great Coating Solution for Fast-Paced Paint Lines
EcoShield® 386 FD is perfect for fast-paced manufacturer spray and dip lines. Many pipes, hooks, castings, equipment components, and other metal parts need to be coated during production in preparation for their final installation. The problem is that the painted parts often pile up or are bundled together at the end of the line while the coating is hot and sticky. As a result, the parts may adhere to each other, damaging the coating when the components are later pulled apart, thus leaving a weak point for corrosion to get a foothold. EcoShield® 386 FD reduces this risk.

An Excellent Alternative to Solvent-Based Paints
In addition to its corrosion protection and force-dry capability, EcoShield® 386 FD has several other positive coating features. For starters, it is an excellent alternative to solvent-based coatings, which often have high VOCs and are more difficult to clean up. As a water-based coating with only 0.6 lbs/gal (72 g/L) of VOC, EcoShield® 386 FD offers a better worker environment with easier cleanup than many traditional protective coatings. Furthermore, EcoShield® 386 FD has excellent UV resistance, making it acceptable for components (e.g., heavy equipment parts or pipes) that will be stored or used outdoors. Finally, EcoShield® 386 FD can be used clear or matched to most custom colors, providing an excellent solution for OEMs that have to make the coating inconspicuous or fit in with a specific color scheme.

Keep Production Rolling
EcoShield® 386 FD is a great solution for mass production of metal parts that need a protective coating but do not have enough time to dry before they cool down. By adding EcoShield® 386 to the dip or spray line, manufacturers can keep production rolling at a fast pace without worrying about sticking parts and damaged coatings. Contact Cortec® today to discuss the use of EcoShield® 386 in your force-dry application:

Keywords: dip coating metal, anticorrosion coating, manufacturing paint line, corrosion protection, corrosion inhibitors, protective coatings, force dry paint, water based paint, Cortec, VpCI

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NEWS ALERT: Go Zero VOC for High Chemical Resistance with VpCI®-2026 Novolac Epoxy Coating!

Many industries have tanks and floors that require coatings with extreme resistance to corrosive chemicals, elevated temperatures, and/or heavy traffic. The responsible management question is, how do you get a tough coating that will withstand extreme conditions while also limiting worker exposure to harmful VOCs? Cortec’s VpCI®-2026 Tank Lining Topcoat is an excellent answer to both concerns.

VpCI®-2026 Tank Lining Topcoat is a 2K 100% solids novolac epoxy system that can be used as a basecoat/ topcoat. It provides protection in harsh applications. It has zero VOC, thus limiting workers’ exposure to harmful paint fumes as they apply the coating. VpCI®-2026 offers good chemical-, abrasion-, and heat-resistance up to 180 °F (82 °C) (with intermittent temperatures of up to 200 °F [93 °C]) for
extreme conditions:

  • Floors with high traffic or chemical spills
  • Tanks for acids, caustics, or oils
  • Equipment splash zones
  • Chemistry lab workbenches
  • Other immersion applications

If you have tanks or floors that need coating in harsh environments like chemical processing or wastewater treatment plants, consider using VpCI®-2026. VpCI®-2026 will give you the powerful protection of a 100% solids novolac epoxy coating that also reduces the workers’ chance of breathing in harmful VOCs. Contact Cortec® Coatings today for more info:

Keywords: low VOC paint, novolac epoxy, floor coating, chemical resistant coating, tank coating, corrosion protection, Cortec, Cortec Coatings, chemical plant maintenance, worker safety

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PRESS RELEASE: VpCI®-396: Prime Your Anticorrosion Coatings System off to a Good Start!

For any paint and coatings system, it is critical to start out with the right base: good surface prep and priming. But when it comes to Cortec® Micro Corrosion Inhibiting Coatings™, the significance of priming goes beyond the need to smooth out substrate imperfections and promote good adhesion. For those who choose Cortec® VpCI®– 396, it also means fighting corrosion with a convenient and popular 1K direct-to-metal (DTM) anticorrosion primer/topcoat that can be used in countless applications.

What Is VpCI®-396?
VpCI®-396 is a solvent-based moisture cure urethane one coat system that can be applied DTM in harsh, outdoor, unsheltered applications. Its proprietary blend of VpCI® micro-corrosion inhibitors offers protection that competes with many traditional paints and zinc-rich primers. For best results, it should be top-coated with VpCI®-384 to form one of Cortec’s toughest anticorrosion coatings systems. However, it can also be used as a standalone primer and/or topcoat if circumstances require. VpCI ®-396 offers good chemical and corrosion resistance and excellent adhesion to substrates. As a 1K (one-component) primer, it simplifies application (mixing of two components is not required). VpCI®-396 also reduces coatings waste because there is no pot life to worry about and remaining paint can be used later.

Where Can VpCI®-396 Be Applied?
There are countless applications where a good anticorrosion primer/topcoat is needed to protect metal substrates. Tanks are excellent candidates for VpCI®-396. For example, ballast tanks that are filled, emptied, and refilled with seawater are naturally at higher risk for corrosion. Storage tanks or holding tanks containing anything from hydrocarbons to high salinity solutions also need protection. Likewise, railings, walkways, and other structural steel in chemical manufacturing, wastewater treatment, offshore, and other corrosive environments can also benefit from being coated with VpCI®-396. VpCI®-396 may even be applied as a protective coating on metal roofs. In short, the opportunities for applying VpCI®-396 are endless! 

Creative Uses for VpCI®-396
VpCI®-396 has a history of unique, creative applications. In Brazil, it was used to prime and coat wires and clamps at a wind power substation near the ocean. VpCI®-396 was top-coated with VpCI®-384 on the clamps, and sections of wire on each side of the clamps were coated with VpCI®-396 for added protection in the corrosive atmosphere. In Southeastern Europe, VpCI®-396 was used to protect 200 electrical piers at railway stations. These piers had previously rusted, so a coating of CorrVerter® Rust Converter Primer was applied first to passivate the rust, followed by a topcoat of VpCI®-396. The same coatings system was used by a vehicle maintenance company in Croatia that wanted to restore corrosion-damaged wheel rims. This was done by passivating the rust with CorrVerter® and applying VpCI®-396 on top. The wheels were further prepared for outdoor storage by applying a layer of VpCI®-368 D removable coating.

Start with a Good Protective Coating Foundation
As in the rest of life, it is important to start with a good foundation when applying protective coatings to metal. VpCI®-396 provides a convenient, extremely versatile anticorrosion coating primer base and topcoat for use in countless applications. Contact Cortec® today to discuss how it fits in with the needs of your specific coating application:

Keywords: moisture cure urethane, anticorrosion coating, tank coatings, protective coatings, Cortec, VpCI, direct to metal, pot life, offshore coatings, corrosion inhibitors

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Which Anticorrosion Primer Should I Choose for My Harsh Application?

Some Cortec® Micro-Corrosion Inhibiting Coatings™ can be used for the same applications, but they have different characteristics that make them more or less attractive for the specific job. This news alert helps you differentiate between VpCI®– 395 and VpCI®-396—two great primers that can be applied in immersed structures (e.g., tanks) and harsh indoor or outdoor conditions. Here are some key considerations to guide your selection.

To Mix or Not to Mix?
VpCI®-395 is a 2K (two-component) primer that must be mixed onsite before application. This allows crosslinking of the chemistry for enhanced coating durability. However, it adds an extra step to the painting process, and any leftover paint has to be thrown away. VpCI®-396, in contrast, is more convenient as a 1K (one-component) primer because it does not have to be mixed, and the remaining paint can be saved for later by putting the lid back on the can.

Water-Based or Solvent-Based?
There are also the pros and cons of using a water-based coating vs. a solvent-based coating. VpCI®-395, for example, is water-based and contains an extremely low VOC (0.2 lbs/gal [24 g/L])—good for both users and the environment. Cleanup is also much easier by using water instead of paint thinner. On the other hand, a solventbased coating like VpCI®-396 can be applied under a wider range of temperatures than water-based coatings, and the presence of some humidity during the curing stage can be an advantage. Many times, the environmental regulations will determine the type of coating to use. The chart below offers an at-a-glance summary of some of the key differences between these two coatings.

VpCI®-395 VpCI®-396
Water-Based Epoxy Solvent-Based Urethane
2-Component 1-Component
Fast Dry (Dry to Touch: 20-30 minutes) Slower Dry (Dry to Touch: 2-3 hours)
Lower Gloss (15-25) Higher Gloss (30-50)

The final choice is up to you, but if you need further assistance choosing which of these Micro-Corrosion Inhibiting Coatings™ is best for your application, don’t hesitate to contact us:

Keywords: corrosion inhibitor coatings, protective coatings, anticorrosion paint, moisture cure urethane, epoxy coatings, tank coatings, chemical resistant coatings, water based coatings, Cortec, VpCI

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