Cortec VpCI® 645
Cortec VpCI® 645
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Cortec VpCI® 645 stands out as a distinctive, potent formulation aimed at safeguarding both ferrous and non-ferrous metals against corrosive solutions infused with chlorides
Engineered to deliver robust corrosion protection, it proves effective in fresh water, salt water, brine, and other aggressive solutions containing halogens.
Thanks to its concentrated nature, VpCI®-645 boasts remarkable efficacy at minimal dosages, making it an ideal choice for a broad spectrum of marine and industrial applications where cost-effective corrosion inhibition in both fresh and salt water is essential.
Moreover, VpCI®-645 carries USDA certification as a biobased rust preventative, presenting itself as a sustainable alternative to nitrite- and chromate-based formulas, as well as hydrazine-based oxygen scavengers. Its environmentally friendly attributes alleviate disposal concerns, particularly pertinent for managing large volumes of water.
Features of Cortec VpCI® 645
Offers robust corrosion protection against high chloride solutions.
- Effective across diverse applications, halting corrosion from fresh and salt water, brine, chloride, and other dissolved halogens.
- Environmentally conscious, free from nitrites and amines.
- Economical treatment due to low concentration effectiveness.
- Protects multiple metal types.
- Easily applicable as a water-soluble liquid, unaffected by pH range or salt concentration levels.
Typical Application
- Closed-loop cooling and heating systems with brine or water.
- Desalination facilities.
- Inhibitor for packer fluid applications.
- Guards against water-bottom corrosion in oil storage tanks and ballast tanks on ships and offshore platforms.
- Wet lay-up procedures for boilers, pipelines, vessels, and more.
- Protection for pulp and paper processing equipment.
Methods of application
To achieve corrosion inhibiting levels exceeding 95%, incorporate VpCI® -645 into the following:
- Cooling/Heating Systems:
- Add 0.5-0.75% by volume if the chloride concentration reaches 3% or higher by weight.
- Hydrostatic Testing of Pipelines, Castings, Tanks, and Valves:
- Utilise 0.75-0.075% by volume, adjusting as needed based on the required duration of protection or other action.
Hydotesting
- Use 0.5-1% by volume of VpCI®-645 in brine.
- After hydrotesting, it's advisable to rinse the vessel with fresh water containing 0.5% VpCI®-609 by weight.
Packaging & Storage
VpCI®-645 packaging options are drums, pails, liquid totes and buk containers. Sizes vary from 5 gallons/ 19 liters to 55 gallons /208 liters. Store VpCI-645 sealed. It can last up to 12 months in storage without any change in performance.
Product Specifications (.PDF)
Frequently Asked Questions
• What exactly is Cortec VpCI-645 and what is its primary purpose?
Cortec VpCI-645 is a highly effective, concentrated liquid formulation designed to protect a variety of metals, both ferrous (like steel and iron) and non-ferrous, from corrosive elements found in water. Its main job is to prevent rust and degradation in challenging environments, especially those containing chlorides, like saltwater or brine.
• How does Cortec VpCI-645 actually work to prevent corrosion?
This unique product works by creating a protective molecular layer on the surface of metals. This layer acts as a barrier, preventing corrosive agents such as chlorides, oxygen, and other dissolved halogens from coming into contact with the metal and initiating the corrosion process. It's like putting an invisible shield on your equipment!
• What types of corrosive solutions is VpCI-645 specifically designed to handle?
Cortec VpCI-645 is formulated to excel in environments with high levels of chlorides. This includes fresh water, saltwater, brine, and other solutions that contain dissolved halogens, making it incredibly versatile for a range of demanding applications.
• Is Cortec VpCI-645 a safe choice for the environment?
Absolutely, it's designed with environmental responsibility in mind. VpCI-645 is a USDA certified biobased rust preventative and is free from nitrites and chromates, which are often found in older, less environmentally friendly corrosion inhibitors. This helps simplify disposal, especially when dealing with large volumes of treated water.
• What makes VpCI-645 stand out compared to other traditional corrosion inhibitors?
Unlike many older formulations that rely on potentially harmful nitrites, chromates, or hydrazine-based oxygen scavengers, VpCI-645 offers an environmentally conscious alternative. It's a biobased product that still delivers powerful multi-metal protection, making it a modern and sustainable choice.
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Application and Usage of Cortec VpCI-645
• Where can Cortec VpCI-645 typically be applied to prevent rust?
VpCI-645 is incredibly versatile and finds its use in a wide range of applications. This includes, but isn't limited to, closed circuit cooling and heating systems that use brines or water, desalination plants, as an inhibitor for packer fluid applications, and for preventing water-bottom corrosion in large oil storage tanks and the ballast tanks of ships and offshore platforms.
• Can VpCI-645 be used for the wet lay-up of industrial equipment?
Yes, it's an excellent choice for the wet lay-up of various industrial assets such as boilers, pipelines, and vessels, providing essential corrosion protection during periods of inactivity.
• Is this product suitable for protecting equipment in pulp and paper processing?
Indeed, Cortec VpCI-645 is effective for protecting process equipment within the pulp and paper industry, safeguarding valuable machinery from corrosion in those specific operational environments.
• How do I apply Cortec VpCI-645 to my cooling or heating system?
For cooling and heating systems, you'll want to add VpCI-645 by volume. If your system has chloride concentrations of 3% or more by weight, a dosage of 0.75% by volume is recommended to achieve over 95% corrosion inhibition.
• What's the recommended dosage for hydrostatic testing of pipelines or tanks?
When conducting hydrostatic testing on items like pipelines, castings, tanks, and valves, the dosage of VpCI-645 can range from 0.075% to 0.75% by volume. The exact amount depends on the desired duration of corrosion protection you're aiming for during the test.
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• Can VpCI-645 be used with different types of metals?
Yes, one of the key benefits of Cortec VpCI-645 is its multi-metal protection capability. It's formulated to protect both ferrous and non-ferrous metals, making it a comprehensive solution for diverse metallic systems.
• Does the pH level or salt concentration of the water affect VpCI-645's effectiveness?
No, the solubility and effectiveness of Cortec VpCI-645 are not impacted by changes in pH levels or the concentration of salt in the water, ensuring consistent performance across various water conditions.
• Can the treated water containing VpCI-645 be reused in other applications?
While the product is highly effective, it's always best practice to consult with the manufacturer or a technical specialist regarding the reuse of treated water, as the concentration of the inhibitor might need to be checked and potentially topped up for continued optimal protection.
• What are some of the key benefits of using VpCI-645 for marine applications?
For marine environments, VpCI-645 provides crucial protection against aggressive corrosion from both fresh and saltwater, brine, and chloride. It's particularly useful for safeguarding ballast tanks and other ship components, extending their lifespan and reducing maintenance costs.
• Is it easy to mix Cortec VpCI-645 with water?
Yes, VpCI-645 is a readily water-soluble liquid, which makes it very easy to mix and apply into water-based systems without complications.
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Storage and Handling of Cortec VpCI-645
• How should I store Cortec VpCI-645 to maintain its effectiveness?
To ensure the product retains its optimal performance, VpCI-645 should always be stored in a tightly closed container. This prevents contamination and maintains its stability.
• What is the typical shelf life of Cortec VpCI-645?
When stored correctly in its original, tightly closed container, Cortec VpCI-645 has a shelf life of up to 12 months.
• What packaging sizes are available for Cortec VpCI-645?
Cortec VpCI-645 is conveniently available in various packaging sizes to suit different project needs, including 5-gallon (19-liter) pails, 55-gallon (208-liter) drums, liquid totes, and even in bulk quantities.
• Are there any special shipping considerations for VpCI-645, especially when ordering within the UK?
Yes, within the United States, this product is classified as hazardous for air and ground shipment, which may incur a HAZMAT fee. When ordering from Valdamark Direct in the UK, it's always advisable to check their specific shipping classifications and any potential additional fees for hazardous materials within the UK and Europe.
• Is it important to consult the Safety Data Sheet (SDS) before using VpCI-645?
Absolutely. For industrial use, it is paramount to always consult the Material Safety Data Sheet (MSDS) or Safety Data Sheet (SDS) for Cortec VpCI-645 to understand all safety precautions, handling instructions, and emergency procedures.
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Performance and Environmental Aspects
• Can VpCI-645 replace existing nitrite-based or chromate-based formulations?
Yes, VpCI-645 is an effective and more environmentally friendly replacement for traditional corrosion inhibitors that contain nitrites or chromates, offering a safer alternative without compromising performance.
• Does this product also act as a replacement for hydrazine-based oxygen scavengers?
Indeed, Cortec VpCI-645 can effectively replace hydrazine-based oxygen scavengers, contributing to a more sustainable and less hazardous chemical regimen for water treatment systems.
• How does VpCI-645 contribute to reducing disposal problems for large quantities of water?
By being environmentally safe and free of many harmful chemicals found in older inhibitors, VpCI-645 significantly simplifies the disposal of treated water, especially in large volumes, making it a more responsible choice.
• What makes VpCI-645 an economical choice for corrosion inhibition?
As a concentrated formulation, Cortec VpCI-645 offers high effectiveness even at low dosage rates, which translates into more economical treatment costs for a wide range of marine and process applications.
• Is VpCI-645 designed to offer immediate corrosion protection?
Yes, once introduced into the system, VpCI-645 begins to form its protective molecular layer, offering immediate corrosion inhibition and helping to prevent further degradation.
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• How does VpCI-645 handle highly aggressive chloride solutions?
It provides effective corrosion protection even against aggressive attacks from solutions with high chloride concentrations, demonstrating its robust performance in challenging environments.
• Does this product have any impact on the properties of emulsions if used in such systems?
According to Cortec's general VpCI water treatment additives, they are designed not to alter emulsion properties, which suggests VpCI-645 would also be compatible in applications where emulsions are present.
• Is VpCI-645 compatible with common biocides used in water systems?
Yes, Cortec VpCI® water treatment additives are generally compatible with biocides, allowing for a comprehensive water treatment program that includes both corrosion inhibition and microbial control.
• What is the typical appearance of Cortec VpCI-645?
Cortec VpCI-645 typically appears as a dark brown liquid, making it visually distinct.
• What is the pH of the neat (undiluted) Cortec VpCI-645 solution?
The neat solution of Cortec VpCI-645 has a pH range of 9.5-10.5, indicating it is an alkaline product.
