Cortec CorrTube®
Cortec CorrTube®
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This premium corrosion-inhibiting tube sets a new standard in the packaging industry. Cortec CorrTube® is safe for use in ferrous and non-ferrous metals.
CorrTube ensures your products reach their destination free from the damaging effects of corrosion.
The interior of the tube contains Vapor phase Corrosion Inhibitors that activate once you seal the tube. You can trust CorrTube to keep your metals safe and secure during transportation and storage.
Typical Applications for Cortec CorrTube®
CorrTube presents a versatile solution for safeguarding a wide array of products during their storage and transportation.
- Raw Bar Stock Protection
- Cylindrical and rod-like components
- Delicate or precision parts
- Mechanical gears
- High-precision bearings
- Electronics, instruments, and other precision parts
Features
- Universal Protection. Cortec® CorrTube is a versatile product that offers reliable protection for all types of metals, whether they are ferrous or non-ferrous. This all-in-one solution simplifies your prevention process. You don’t need multiple products.
- Environmentally Friendly. Safety and sustainability are at the core of CorrTube's formulation. The product is entirely non-toxic. It is free from nitrites, chromates, phosphates, silicones, and heavy metals. Thus, your corrosion protection efforts are not harmful to the environment or human health.
- Recyclable and Repulpable. The CorrTube is constructed using a neutral natural kraft liner board coated with VpCI material. This specific construction ensures compatibility with various metal types and provides reliable corrosion protection over extended periods.
- Plus, this packaging tube is fully recyclable and repulpable. The product is safe to be reused or processed. This way reduces waste and promotes responsible resource management.
- Effective Against Aggressive Environments. CorrTube goes beyond standard protection by combatting aggressive environments. It offers formidable resistance against humidity, hydrogen sulfide (H2S), sulfur dioxide (SO2), and galvanic corrosion caused by dissimilar metals coming into contact.
- Convenient Surface Finishing. Unlike traditional protective coatings, CorrTube's protective layer seamlessly integrates with subsequent processes. You don’t need to remove any coating or finishing. This saves time and effort. It also maintains the integrity of the metal surface.
- Reliable Storage and Transit Protection. Whether your metals are in dry storage or oiled during transportation, Cortec® CorrTube ensures a consistent layer of corrosion protection. Your valuable assets remain shielded from corrosion, even during overseas shipments where exposure to harsh conditions is common. Cortec® CorrTube cleverly integrates packaging and corrosion protection in a single step. With this packaging tube, you integrate these two crucial processes. As a result, you streamline your workflow, enhance efficiency, and minimise the risk of corrosion-related damages during storage and transit.
- Method of Application.To effectively protect your metal products from corrosion, apply Cortec® CorrTube using the following recommended method.
- Clean, Dry, and Pack Properly. After thoroughly cleaning the metal products, it is essential to package them immediately. The CorrTube should be used as soon as possible after the cleaning process. However, before proceeding with the packaging, ensure that the products are completely dried of any residual water. Moisture can interfere with the corrosion protection process, so it's crucial to have a dry surface.
- Choose Appropriate Tube Diameter. Select a CorrTube diameter that closely matches the size of the metal part you intend to package and protect. This helps optimise the amount of VpCI material released during the packaging process. Appropriate tube diameter ensures sufficient coverage and protection for the entire metal surface.
- Cover Completely. Then cover both ends securely. This prevents any leak of VpCI material and maintains a continuous protective environment around the metal surface.
Metals Protected
- Carbon Steel
- Stainless Steel
- Galvanised Steel
- Cast Iron
- Aluminum Alloys
- Copper
- Brass (≤30% Zn)
- Solder
Packaging and Storage
You can customise your packaging needs easily. CorrTube is available in different sizes and thicknesses. You can choose from 8mm to 100mm. Each tube has plastic end caps while the common sizes available are 64, 80, and 100mm.
Product Specifications (.PDF)
Frequently Asked Questions
• What exactly is Cortec CorrTube and what makes it special for protecting metal parts?
Cortec CorrTube is a cutting-edge, corrosion-inhibiting packaging and shipping tube designed to offer superior rust protection for both ferrous and non-ferrous metals. What truly sets it apart is its internal VpCI® (Vapor phase Corrosion Inhibitor) coating, which releases protective vapors that create an invisible barrier on all metal surfaces, even those hard-to-reach internal areas, preventing corrosion without needing any messy oils or greases.
• How does the VpCI® technology inside CorrTube actually work to stop rust?
The VpCI® technology in CorrTube is pretty ingenious. The special coating inside the tube continuously emits microscopic vapor molecules into the enclosed air space. These molecules then settle on all exposed metal surfaces, forming a thin, invisible, and self-replenishing protective layer. This layer actively blocks the electrochemical reactions that cause rust and corrosion, essentially putting a stop to the process.
• Is CorrTube just for short-term storage, or can it offer long-lasting corrosion protection?
CorrTube is definitely engineered for long-term corrosion protection, not just a quick fix. It's designed to keep your metal parts safe from rust and deterioration during extended storage periods, as well as during shipping and transit, even in challenging environmental conditions like high humidity or exposure to aggressive industrial atmospheres.
• What types of metals can I confidently protect using Cortec CorrTube?
You can rest assured that Cortec CorrTube is a versatile solution for a wide array of metals. It provides excellent protection for common ferrous metals like carbon steel, stainless steel, galvanized steel, and cast iron, as well as various non-ferrous metals including aluminum alloys, copper, brass (with less than 30% zinc), and solder. This means you don't need different products for different metal types.
• How does CorrTube contribute to environmental responsibility compared to older methods?
CorrTube is a much more environmentally conscious choice than traditional rust prevention methods. It’s fully recyclable and repulpable, meaning it can be easily integrated into existing paper recycling streams to be turned into other paper products. Importantly, it's also non-toxic, biodegradable, and completely free from harmful chemicals like nitrites, phosphates, silicates, and other heavy metals, making it safer for both people and the planet.
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• What are the typical applications where CorrTube really shines?
CorrTube is an ideal solution for protecting a variety of cylindrical or rod-like metal parts. It excels in applications such as the preservation of raw barstock, cylindrical parts, shafts, gears, and bearings during storage or shipment. Essentially, if it's a metal component that can fit inside a tube, CorrTube is likely a perfect fit.
• How do I choose the correct size of CorrTube for my specific part?
To get the best protection, it's crucial to select a CorrTube diameter that closely matches the size of the part you intend to protect. You want to ensure the CorrTube is as close to the surface of the product as practically possible, minimizing any air gaps and allowing the VpCI vapors to fully saturate the enclosed space.
• Are there any special steps I need to take to prepare my metal parts before using CorrTube?
For optimal performance, it’s recommended that your metal parts are packaged as soon after cleaning as possible. It's also important to ensure they are completely dried and free of any residual water before being placed inside the CorrTube, as the VpCI technology works most effectively on clean, dry surfaces.
• Once the part is inside, how should I seal the CorrTube for maximum effectiveness?
After inserting your metal part, you should securely cover both ends of the CorrTube. This helps to create a tightly enclosed airspace, which is essential for the VpCI vapors to build up and maintain their protective concentration around the metal surface. Common methods might include using appropriate end caps, tape, or other sealing solutions.
• Can CorrTube be cut to specific lengths for custom applications?
Yes, CorrTube is designed to be highly adaptable. It can be easily cut to the precise length required for your specific parts, allowing for custom packaging solutions that reduce waste and ensure a snug fit for optimal corrosion protection.
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• What are the main benefits of using CorrTube over traditional greasing or oiling for corrosion prevention?
The main advantages of CorrTube are its cleanliness and ease of use. Unlike greasy or oily coatings, CorrTube leaves no residue on the metal surfaces, meaning parts are ready for immediate use or further processing without any time-consuming cleaning steps. It's a "dry" rust prevention method that saves labor and reduces hazardous waste.
• Does the VpCI® protective layer alter the appearance or functionality of the protected metal?
Absolutely not. The unique inhibiting action of Cortec's VpCI® technology forms an incredibly thin, invisible protective layer that does not in any way alter the appearance, physical properties, or functionality of the products. You won't find any discoloration, stickiness, or interference with subsequent finishing or use.
• How well does CorrTube perform in challenging environments, like high humidity or industrial pollution?
CorrTube is highly effective even in aggressive environments. Its VpCI® technology provides robust protection against the detrimental effects of high humidity, as well as corrosive gases like sulfur dioxide (SO2) and hydrogen sulfide (H2S). It also safeguards against galvanic corrosion that can occur when dissimilar metals are in close proximity.
• Is CorrTube resistant to moisture or water ingress during shipping or storage?
While the VpCI vapors protect against humidity within the enclosed space, CorrTube itself is made from paper-based materials. For complete moisture or water ingress protection during shipping or in very damp environments, it's generally recommended to use CorrTube within a broader packaging strategy that might include moisture-barrier bags or films.
• Does CorrTube have any resistance to UV light, which could affect its protective properties?
The primary function of CorrTube is internal corrosion protection within an enclosed space. While the paper material itself offers some inherent light blocking, for extended outdoor storage where direct UV exposure is a concern, it would be prudent to use additional opaque or UV-resistant outer packaging to ensure the longevity of the VpCI barrier.
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• How should I store unused CorrTube rolls to maintain their effectiveness?
To preserve the integrity and effectiveness of unused CorrTube, it's best to store the rolls indoors, away from direct sunlight, and in their original packaging. This helps to prevent premature release of the VpCI inhibitors and ensures the product is ready to perform when you need it.
• What are the available sizes of Cortec CorrTube, and can I get custom diameters?
Cortec CorrTube is readily available in a variety of standard inside diameters, typically ranging from 8mm up to 100mm. While common sizes like 64mm, 80mm, and 100mm often come with compatible plastic end caps, Valdamark Direct, as a supplier, can help you explore options for customized sizes to precisely meet unique packaging requirements.
• Is CorrTube considered safe to handle, and are there any specific safety precautions I should take?
Yes, CorrTube is considered environmentally safe, non-toxic, and biodegradable, making it safe for general handling. However, like with any industrial product, it's always good practice to consult the Safety Data Sheet (SDS) for detailed information and to follow standard industrial hygiene practices, such as keeping it out of reach of children and ensuring the container is tightly sealed when not in use.
• How do I dispose of CorrTube once it has been used?
One of the great advantages of CorrTube is its eco-friendly nature. Since it's fully recyclable and repulpable, used CorrTube can typically be disposed of through standard paper recycling channels, similar to other corrugated materials or paper products. This minimizes waste and supports circular economy principles.
• Does CorrTube meet any specific industry standards or military specifications for packaging?
While the provided content doesn't explicitly state military specifications for CorrTube itself, Cortec Corporation, the manufacturer, often produces products that align with various industry and military packaging standards, such as MIL-PRF-131 for VCI paper. For specific compliance requirements, it would be best to check the detailed product data sheet or consult with Valdamark Direct directly.
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• How does the cost-effectiveness of CorrTube compare to traditional rust prevention methods?
CorrTube offers significant cost-effectiveness when you consider the entire process. While the initial material cost might be comparable to some traditional methods, the savings come from eliminating labor-intensive cleaning steps, reducing hazardous waste disposal fees, and preventing costly rework or rejection of corroded parts. It delivers clean, ready-to-use parts, which translates to efficiency and savings down the line.
• If I'm currently using desiccant bags, how would CorrTube be a better alternative?
While desiccant bags absorb moisture, CorrTube actively protects metal surfaces from corrosion by releasing VpCI vapors that form a protective molecular layer. This means it safeguards against both moisture-induced corrosion and other corrosive elements in the air, offering a more comprehensive and active form of protection, especially for complex geometries where desiccants might struggle to be effective everywhere.
• Can CorrTube be used in conjunction with other packaging materials for enhanced protection?
Absolutely. CorrTube is often used as a primary layer of corrosion protection and can be effectively combined with other packaging materials to create a robust system. For instance, using it inside a sealed VpCI film bag or a larger corrugated box can further enhance the overall protective environment, especially for very long-term storage or highly challenging transit conditions.
• What makes Cortec's VpCI technology, as used in CorrTube, superior to other VCI products on the market?
Cortec's VpCI technology is renowned for its multi-metal protection capability and its ability to offer comprehensive corrosion inhibition in both the vapor phase and direct contact. Their formulations are rigorously tested and are often recognized for being environmentally friendly, non-toxic, and free of hazardous compounds, providing reliable and safe performance across a wide range of applications.
• Is CorrTube permeable to gases or vapours that could negatively affect the metal inside?
CorrTube's construction is designed to contain the VpCI vapors effectively within the enclosed space, allowing them to build up a protective atmosphere. While it's a paper-based product and not a perfect barrier, it creates a micro-environment that significantly reduces the ingress of corrosive elements. For extreme environments, supplementary barrier packaging might be considered.
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• For precision components, does CorrTube leave any film or residue that could interfere with tight tolerances?
No, this is one of the key advantages for precision components. The VpCI protective layer formed by CorrTube is molecularly thin and completely invisible. It does not leave any residue, film, or sticky coating that could interfere with tight tolerances, delicate mechanisms, or subsequent assembly processes. Parts come out clean and ready to go.
• Could CorrTube be used for international shipping where parts might encounter varying climates?
Yes, CorrTube is an excellent choice for international shipping. Its VpCI technology is designed to protect metals across a wide range of climatic conditions, including high humidity and temperature fluctuations often encountered during global transit. The self-replenishing vapor barrier provides continuous protection regardless of external environmental shifts.
• How does the shelf life of CorrTube itself affect its protective capabilities over time?
When stored correctly in its original packaging, away from extreme conditions, CorrTube typically has a good shelf life, ensuring the VpCI compounds remain potent. Valdamark Direct can provide specific shelf life details, but generally, the product will maintain its full corrosion-inhibiting power for an extended period, so you can trust its performance when needed.
• Can CorrTube be reused, or is it a single-use packaging solution?
CorrTube is primarily designed for single-use applications due to the controlled release of its VpCI protective compounds. Once the protected part is removed, the VpCI concentration within the tube diminishes. However, its fully recyclable nature means it's still an environmentally responsible choice after its initial use.
• What kind of support or technical assistance is available if I have unique application challenges with CorrTube?
Valdamark Direct is committed to providing comprehensive support. If you encounter any unique application challenges or have specific technical questions about how to best utilize CorrTube for your particular needs, their team of experts is available to offer guidance, detailed product information, and tailored advice to ensure you achieve optimal corrosion protection.
