Cortec VpCI® 378 Inhibitor
Cortec VpCI® 378 Inhibitor
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A complete alternative for oil-based corrosion preventives is the water-based concentrate VpCI® 378.
This innovative solution creates a brown emulsion when mixed with water. You can apply the mixture to metal surfaces through spraying or dipping methods. Its wide dilution range allows for customisable protection periods.
This inhibitor is a translucent protective coating. It becomes dry-to-touch within just 30 minutes after application in ambient conditions. You can apply it to ferrous and non-ferrous metals. The recommended uses are sheltered areas, indoors, or for packaging without direct exposure to outdoor elements or rain.
To remove the coating, you can use Cortec® VpCI 414 or other conventional alkaline cleaners. However, in many operations, there's no need for removal. The coatings or paints can be directly applied over treated surfaces at dilutions exceeding 1:15. VpCI 378 proves to be a versatile, efficient, and reliable choice for protecting metals from corrosion in various applications.
Features
VpCI® 378 offers a range of impressive features that make it an outstanding choice for protecting metal surfaces.
Clear and Dry
One of its key advantages is its clear and dry form. This provides excellent protection. At the same time, it enhances the appearance of the treated parts, making them more visually appealing.
Heat Stability
Furthermore, VpCI® 378 demonstrates remarkable heat stability, ensuring its performance remains intact even under high-temperature conditions. VpCI® 378 retains its temperature stability up to approximately 210°F (99°C) once diluted. This characteristic makes it particularly suitable for applications that involve elevated temperatures.
Water-displacing Properties
The product's water-displacing properties are another crucial aspect. This capability prevents the formation of corrosion and safeguards the metal components from damage caused by moisture.
Easy Removal
One of the standout benefits of VpCI® 378 is its ease of removal when necessary, eliminating any complications associated with cleanup. Unlike traditional rust-inhibiting oils, this product minimises cleaning and housekeeping issues, making it a more convenient and efficient solution for metal protection.
Superior Protection
Moreover, VpCI® 378 offers superior protection. It acts a replacement for rust-inhibiting oils. It delivers a highly effective barrier against rust and corrosion, enhancing the longevity and durability of the protected parts.
Friendly to Environment
Environmentally conscious users will appreciate that VpCI® 378 is emulsifiable, which means it can be mixed with water. It is generally safe when you apply it. This feature ensures that it meets environmental standards while still providing top-notch protection.
Economical
Furthermore, the product is highly economical. You can dilute it with water at a ratio of 1:20, meaning 1 part of the inhibitor is enough 20 parts water without compromising its protective qualities. This cost-effectiveness makes it an attractive choice for various industrial applications.
Lubricating Properties
In addition to its protective properties, VpCI® 378 also offers lubricating benefits, further enhancing its suitability for applications involving moving parts or mechanisms. The product ensures smooth operation while simultaneously providing corrosion resistance.
Metals Protected
- Carbon steel.
- Stainless steel.
- Cast iron.
- Aluminium.
- Copper and alloys.
Typical Applications
Some of the typical applications of VpCI® 378 include:
- Preservation of Metal Components: VpCI® 378 is highly effective in protecting castings, tubular parts, and forgings. It can also protect metal components for precision machines. It forms a protective barrier that prevents corrosion and extends the service life of these vital parts.
- Machinery and Equipment Protection: This corrosion inhibitor is extensively used to safeguard gears, electric motors, pumps, textile, housings, and printing equipment. By applying VpCI® 378, manufacturers can ensure that their machinery remains in optimal condition, minimising maintenance costs and downtime.
- Preservation of Metal Stock: Bars, structural steel, roll stock, and sintered metals are often susceptible to corrosion during storage and transportation. VpCI®-378 effectively protects these metal stocks.
- Metal Cleaning Processes: VpCI® 378 serves as an excellent additive to rinse water systems and washers, as well as in hydro blasting and hydro testing operations. By incorporating this inhibitor, industries can enhance the corrosion protection of cleaned metal surfaces during various cleaning procedures.
- Elevated Temperature Applications: VpCI® 378 excels in applications where elevated temperatures are involved, such as quenching fluid or dipping applications. Its corrosion protection capabilities remain robust even under high-temperature conditions.
Packaging and Storage
VpCI 378 comes in various packaging options, including pails in 5-gallon or 19 litres and liquid totes, drums, and bulk containers in 55-gallon (208-litres) options. To maintain its integrity, store the product in a well-maintained warehouse with heating system and ensure it remains sealed to prevent freezing. The average useful life of VpCI 378 is two (2) years.
Product Specifications (.PDF)
Frequently Asked Questions
• What exactly is Cortec VpCI-378 Inhibitor and what's its primary purpose?
Cortec VpCI-378 Inhibitor is a remarkable water-based concentrate specifically formulated to serve as a complete, environmentally conscious alternative to traditional oil-based corrosion preventatives, offering superior protection against rust and corrosion on various metal surfaces.
• How does Cortec VpCI-378 differ from conventional oil-based rust preventatives?
Unlike messy, oil-based solutions, VpCI-378 is a water-based concentrate that forms a translucent, dry-to-touch protective coating, eliminating the typical cleaning and housekeeping challenges associated with oily films, while still providing robust corrosion resistance.
• What kind of metals can Cortec VpCI-378 effectively protect?
This versatile inhibitor offers excellent protection for a wide array of metals, including carbon steel, stainless steel, cast iron, aluminium, and various copper and its alloys.
• Is the protective coating formed by VpCI-378 noticeable, or is it discreet?
The coating VpCI-378 creates is impressively clear and dry, ensuring that protected parts maintain an attractive appearance without any visible residue, which is often a concern with other protective methods.
• How quickly does Cortec VpCI-378 dry after application?
In ambient conditions, Cortec VpCI-378 becomes dry-to-touch remarkably fast, typically within just 30 minutes of application.
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• What are the common methods for applying Cortec VpCI-378 to metal surfaces?
You can apply this inhibitor to metal surfaces with ease through both spraying and dipping methods, offering flexibility for different industrial and manufacturing processes.
• Can I adjust the level of corrosion protection offered by VpCI-378, and how?
Absolutely! VpCI-378 boasts a wide dilution range with water, allowing you to customize the length of protection needed by varying the concentration of the concentrate, which also helps manage application costs.
• What are the recommended dilution ratios for different protection durations with VpCI-378?
For short-term protection (1-6 months), you'd typically mix 1 part concentrate with 10-20 parts water. For medium-term protection (6-12 months), a ratio of 1 part concentrate to 6-10 parts water is recommended. And for long-term protection, stretching up to 2 years, you'd use a more concentrated mix of 1 part concentrate to 1-5 parts water.
• Is VpCI-378 suitable for use in high-temperature processes like quenching?
Yes, it certainly is! VpCI-378 exhibits excellent heat stability, making it ideal for elevated temperature applications such as a quenching fluid or for use in dipping processes.
• Can VpCI-378 be used as an additive in metal cleaning processes or rinse water systems?
Yes, VpCI-378 is quite effective when incorporated into rinse water systems and washers, as well as in hydroblasting and hydrotesting operations, enhancing the corrosion protection of cleaned metal surfaces during various cleaning procedures.
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• What kind of environments is VpCI-378 best suited for – outdoor or indoor?
VpCI-378 is primarily designed to protect ferrous and non-ferrous metals in sheltered indoor areas or within packaging, meaning it's not intended for direct exposure to outdoor elements or rain.
• How does VpCI-378 help in the preservation of metal components like castings and forgings?
It forms a robust protective barrier on these components, effectively preventing corrosion and significantly extending their service life, which is crucial for parts in precision machinery.
• Can this inhibitor protect large industrial machinery and equipment?
Indeed, VpCI-378 is extensively utilized to safeguard a variety of machinery and equipment, including gears, electric motors, pumps, textile machinery, housings, and printing equipment, helping to keep them in optimal working condition and reduce maintenance.
• Is VpCI-378 useful for protecting metal stock during storage and transportation?
Yes, it's very effective for protecting metal stock such as bars, structural steel, roll stock, and sintered metals, which are often vulnerable to corrosion during storage and transit.
• Does VpCI-378 have any lubricating properties, and why is that beneficial?
Beyond its primary corrosion protection, VpCI-378 also offers lubricating benefits, which is a real plus for applications involving moving parts or mechanisms, ensuring smoother operation while simultaneously resisting corrosion.
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• How does VpCI-378 protect hard-to-reach areas on complex parts?
The unique vapor phase action of VpCI-378 means that its corrosion inhibiting molecules vaporize and condense on all metal surfaces within an enclosed space, effectively reaching and protecting even uncoated and difficult-to-access areas.
• Do I need to remove Cortec VpCI-378 before applying subsequent coatings or paints?
In many situations, removal isn't necessary, especially at dilutions exceeding 1:15, as coatings or paints can often be applied directly over the treated surfaces.
• If I do need to remove VpCI-378, what's the recommended method?
When removal is required, you can conveniently use Cortec VpCI-414 or other conventional alkaline cleaners to effectively clean off the protective layer.
• Does using VpCI-378 eliminate the need for traditional cleaning steps like degreasing or rust removal?
Yes, one of the significant advantages is that it can eliminate cleaning and housekeeping problems commonly associated with oils, and in many cases, it removes the need for additional processing steps like degreasing or rust removal before further operations.
• What is the typical shelf life of Cortec VpCI-378 Inhibitor?
Cortec VpCI-378 has a reliable shelf life of 24 months, provided it's stored correctly.
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• What are the ideal storage conditions for Cortec VpCI-378 to maintain its effectiveness?
To maintain its integrity and prevent freezing, the product should be stored sealed in a heated warehouse.
• Is Cortec VpCI-378 considered environmentally friendly?
Yes, it is formulated to be environmentally acceptable and safe to apply, being a water-based concentrate designed to replace more traditional, potentially less environmentally friendly, oil-based preventives.
• Does VpCI-378 contain any hazardous chemicals like chromates or heavy metals?
No, Cortec VpCI-378 is free of hazardous chromates, heavy metals, nitrides, or chlorinated hydrocarbons, aligning with modern environmental and safety standards.
• How does VpCI-378 contribute to a safer and cleaner working environment?
By replacing messy oil-based products and often eliminating the need for subsequent cleaning, degreasing, or rust removal, VpCI-378 helps create a much cleaner and safer workplace.
• What is the pH range of Cortec VpCI-378 in its neat (undiluted) form?
In its neat form, Cortec VpCI-378 typically has a pH range of 9.8-10.7.
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• Does VpCI-378 displace water from metal surfaces?
Yes, it possesses the beneficial property of displacing water from metal surfaces, further enhancing its protective capabilities.
• Can this product be used on components with tight tolerances, such as precision machined parts?
Absolutely, its clear and dry film, coupled with its protective capabilities, makes it suitable for precision machined parts where maintaining dimensional accuracy and surface integrity is paramount.
• How does Cortec VpCI-378 contribute to overall cost savings for businesses?
By providing effective corrosion protection, extending the service life of metal parts, and often eliminating the need for costly cleaning, rework, and re-protection steps, it significantly contributes to overall operational savings.
• Is VpCI-378 suitable for temporary in-plant protection during manufacturing processes?
Yes, it's an excellent choice for providing temporary protection to metal components during various stages of in-plant processing.
• What packaging options are available for Cortec VpCI-378?
Cortec VpCI-378 is available in various convenient packaging options, including 5-gallon (19 litres) pails, 55-gallon (208 litres) drums, and also in liquid totes and bulk containers to suit different volume requirements.
