Cortec VpCI® 426 Heavy Duty Corrosion Inhibitor 5 & 55 Gallon Drums (19ltr & 208ltr Drums)
Cortec VpCI® 426 Heavy Duty Corrosion Inhibitor 5 & 55 Gallon Drums (19ltr & 208ltr Drums)
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Cortec VpCI® 426 is a market leading, heavy duty, water based corrosion remover.
Compatible with a variety of metals this high performance product can be provided in both liquid and powder form for use on a wide variety of application.
Cortec VpCI 426® is a heavy duty, water based concentrate designed for corrosion removal resulting from naturally occurring oxides such as aluminium, steel, iron, copper and magnesium.
In addition to scale & corrosion removal VpCI 426 is also effective at brightening aluminium and copper.
Cortec VpCI 426 features
- Removes rust on all metal types
- Sophisticated Vapour Phase Corrosion Inhibitor technology.
- Can be used pre anodising & painting on aluminium surfaces.
- Removes oxides that occur on brass, bronze, zinc & magnesium etc.
- Brightens aluminium & copper.
- Removes scale from bathtubs & pipes etc.
- Works well as a domestic rust remover treatment.
- National stock number (NSN) 6850-01-477-4155.
- Dissolves rust effectively as well as oxide & scale deposits.
- Reduction in costs for surface prep.
- Superior performing product when compared to legacy & competitor. alternatives.
- Effective in enclosed spaces that cannot be sandblasted or worked with power tools.
- Nitrate free and easy to use.
- Can be provided in powder form.
Applications for VpCI® 426
- When used with steel VpCI 426 can be used in a 1 part formula/ 4 parts water ratio.
- For Copper VpCI 426 can be used in a 1:1 ratio with water.
- For Aluminium – Heavy cleaning – apply formula at room temperature or alternatively use 1 part VpCI 426 with 1 part water at an increased temperature (120°F:49°C).
- Normal cleaning – use 1 part VpCI 426 with 1 part water.
- For alloys and magnesium use 1 part VpCI 426 with 4 parts water at room temperature for approximately 1 – 2 minutes of cleaning.
Applications for VpCI® 426 Powder
Dose 7% by weight in water. Following corrosion removal we recommend you use VpCI 414 cleaner degreaser in a 1:5 product/water mix to rinse away an post work residue and prevent flash rusting on the newly clean surface.
Liquid Properties
- A colourless/clear liquid.
- Non-volatile contents @ 20 to 26%.
- 9.9 to 9.1 lb/gallons of density.
Powder Properties
- White/beige in colour.
- A 2.5 to 3.5 PH level (1% aqueous).
- Non-volatile contents @ 95 to 100%.
Packaging & Storage
- Cortec VpCI 426 in liquid form is readily available in 5 gallon (19ltr) pails as well as 55 gallon (208ltr) drums.
- Cortec VpCI 426 anti corrosion powder coating can be provided in 5lb (2.3kg) & 50lb (23kg) bags.
- Consider using in conjunction with other flexible packaging products such as Cortec VpCI 126 blue bags.
Product Specifications (.PDF)
Frequently Asked Questions
• What exactly is Cortec VpCI-426 and what primary problem does it solve?
Cortec VpCI-426 is a top-tier, heavy-duty, water-based concentrate specifically engineered to meticulously remove corrosion, scale, and naturally occurring oxides from a wide array of metal surfaces. It's designed to bring metal back to its clean, bare state by dissolving these unwanted deposits.
• What types of metals is Cortec VpCI-426 compatible with for rust and oxide removal?
This versatile product is compatible with a broad spectrum of metals, including iron, carbon steel, stainless steel, copper, aluminum, and magnesium, as well as their various alloys. This extensive compatibility makes it a go-to solution for diverse industrial and even household applications.
• Beyond just removing rust, what other key benefits does Cortec VpCI-426 offer?
In addition to its powerful rust and scale removal capabilities, Cortec VpCI-426 is also highly effective at brightening aluminum and copper surfaces, restoring their original luster. It’s also noted for its ability to dissolve oxide deposits and scale build-up.
• Is Cortec VpCI-426 environmentally friendly or safe for users?
Yes, it is designed with safety and environmental considerations in mind. It's a water-based solution, and importantly, it's user-friendly, non-toxic, and nitrite-free, making it a safer alternative to many traditional aggressive rust removers.
• Does Cortec VpCI-426 work on more than just industrial-grade corrosion?
Absolutely! While it's a heavy-duty industrial product, Cortec VpCI-426 is surprisingly safe and versatile enough to be used for general household corrosion removal needs, such as tackling scale build-up in bathroom tubs, showers, and pipes.
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• How do I apply Cortec VpCI-426 for optimal rust and scale removal?
Cortec VpCI-426 is a concentrate, meaning it needs to be diluted with water before use. The specific dilution ratio will depend on the metal type and the severity of the corrosion, and it can be applied by spraying, brushing, or immersion.
• What is the recommended dilution ratio for cleaning steel with Cortec VpCI-426?
For effective rust removal on steel, it's recommended to use a dilution ratio of 1 part Cortec VpCI-426 to 4 parts water.
• How should I dilute Cortec VpCI-426 when cleaning copper?
When working with copper, you have the flexibility to use Cortec VpCI-426 as a concentrate for very heavy corrosion or dilute it with water at a 1:1 ratio for general cleaning.
• What are the guidelines for using Cortec VpCI-426 on aluminum, especially for heavy cleaning?
For heavy cleaning of aluminum, you can apply Cortec VpCI-426 concentrate at room temperature. Alternatively, for accelerated results, use a 1:1 dilution with water at an elevated temperature, specifically around 49°C (120°F).
• What's the standard dilution for normal cleaning of aluminum with Cortec VpCI-426?
For regular or normal cleaning tasks on aluminum, a 1:1 dilution ratio of Cortec VpCI-426 with water is typically sufficient.
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• How should I prepare a solution of Cortec VpCI-426 for cleaning magnesium and its alloys?
For magnesium and its alloys, the recommended dilution is 1 part Cortec VpCI-426 to 4 parts water, applied at room temperature for approximately one to two minutes of cleaning.
• After using Cortec VpCI-426, is there a recommended follow-up step to prevent flash rust?
Yes, it's highly advised to follow up the use of Cortec VpCI-426 with a cleaner/degreaser like Cortec VpCI-414. A dilution of 1:5 or 1:10 with water can be used to rinse away any residue and, crucially, to prevent flash rusting on the newly cleaned metal surface.
• Can Cortec VpCI-426 be used to prepare aluminum surfaces before processes like anodizing or electroplating?
Absolutely! Cortec VpCI-426 is an excellent choice for preparing aluminum surfaces, as it effectively removes oxides, ensuring a clean and receptive surface for subsequent anodizing, painting, or electroplating, which helps improve the quality and longevity of the finish.
• My brass and bronze items have developed a significant oxide layer. Can Cortec VpCI-426 effectively remove this?
Yes, Cortec VpCI-426 is specifically formulated for oxide removal on brass, bronze, copper, and zinc, helping to restore their original appearance without damaging the base metal.
• Is Cortec VpCI-426 suitable for removing tough scale deposits, such as those found in pipes or on bathroom fixtures?
Indeed, one of the noted features of Cortec VpCI-426 is its effectiveness in removing scale build-up, making it a versatile option not just for industrial equipment but also for household applications like descaling pipes or fixtures.
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• Can this product be used on components that cannot be sandblasted or cleaned with power tools?
Yes, a significant advantage of Cortec VpCI-426 is that it can be effectively used in areas where traditional methods like sandblasting or power tools are impractical or impossible, offering a gentler yet powerful chemical cleaning solution.
• How does Cortec VpCI-426 assist in surface preparation cost reduction?
By effectively dissolving rust, scale, and oxide deposits, Cortec VpCI-426 significantly reduces the need for laborious and time-consuming mechanical surface preparation, thereby leading to reduced costs in overall surface preparation.
• Can Cortec VpCI-426 be used for cleaning and rust removal on military equipment?
Yes, Cortec VpCI-426 is recognized with a National Stock Number (NSN 6850-01-477-4155), indicating its approval and suitability for use by military organizations for corrosion removal and surface preparation.
• Is Cortec VpCI-426 only available as a liquid, or are there other forms?
Cortec VpCI-426 is available in both liquid and powder forms, offering flexibility to suit different application preferences and storage requirements.
• What is the typical appearance of the liquid form of Cortec VpCI-426?
The liquid form of Cortec VpCI-426 is characterized as a clear, colorless liquid.
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• What is the approximate density of the liquid Cortec VpCI-426?
The liquid Cortec VpCI-426 typically has a density ranging from 8.9 to 9.1 pounds per gallon (which translates to approximately 1.07 to 1.09 kilograms per liter).
• What does the powder form of Cortec VpCI-426 look like?
The powder version of Cortec VpCI-426 usually appears as an off-white or beige powder.
• What is the pH level of the powder form of Cortec VpCI-426 when dissolved in water?
When prepared as a 1% aqueous solution, the powder form of Cortec VpCI-426 has a pH level between 2.5 and 3.5.
• What are the common packaging sizes for the liquid Cortec VpCI-426?
Cortec VpCI-426 liquid is commonly supplied in 19-liter (5-gallon) pails, 208-liter (55-gallon) drums, and is also available in larger liquid totes and in bulk for extensive industrial use.
• What are the common packaging sizes for Cortec VpCI-426 powder?
The powder form of Cortec VpCI-426 is typically available in 5 lb (2.3 kg), 50 lb (23 kg), and 100 lb (45 kg) bags.
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• What are the recommended storage temperatures for Cortec VpCI-426?
To maintain its integrity and effectiveness, Cortec VpCI-426 should be stored within a minimum temperature of 0°C (32°F) and a maximum temperature of 49°C (120°F).
• What is the typical shelf life of Cortec VpCI-426 when stored correctly?
When stored properly within the recommended temperature range and with the container tightly closed, Cortec VpCI-426 boasts a significant shelf life of up to 24 months.
• How does Cortec VpCI-426 offer a superior performance compared to alternative rust removers?
Cortec VpCI-426 is distinguished by its innovative formulation, which not only effectively dissolves a wide range of corrosion, scale, and oxide deposits but also provides increased performance over equivalent products due to its unique VpCI (Vapor phase Corrosion Inhibitor) technology.
• Does Cortec VpCI-426 contribute to any waste disposal issues?
No, in fact, compared to many other industrial products, this non-polluting solution is designed to eliminate and significantly reduce virtually all waste disposal problems, making it a more responsible choice.
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• Beyond direct application, are there other Cortec products that complement the use of VpCI-426?
Yes, to achieve optimal results and ensure thorough protection after cleaning with VpCI-426, it is highly recommended to follow up with a Cortec VpCI-414 cleaner/degreaser rinse to prevent flash rust and prepare the surface for any subsequent treatments.
