Choosing the Right VCI Product: Paper, Film, or Oil?

For many varied industries in Australia, corrosion is a significant challenge. Sectors such as manufacturing, mining, marine, and defence fight corrosion in Australia’s diverse and often harsh climate and protecting metal components is a top priority. Vapour Corrosion Inhibitor (VCI) products offer an effective, convenient, and eco-friendly was to safeguard metals from oxidation during storage and transportation. That being said, choosing the right VCI product can sometimes be confusing, with options including VCI paper, VCI film, and VCI oil coatings. This month, we explore the key differences between these corrosion protection solutions, their best applications, and how to choose the ideal solution for your business needs.

Understanding VCI Technology

VCI products work by releasing corrosion-inhibiting molecules that form an invisible protective layer on metal surfaces, preventing moisture and contaminants from triggering oxidation. Unlike traditional rust prevention methods, VCI solutions do not require extensive clean-up or direct application, making them an efficient and cost-effective alternative.

VCI Paper: Best for Packaging and Short-Term Storage

What is VCI Paper?

VCI paper is a paper infused with corrosion-inhibiting compounds, designed to wrap around, or interleave with metal components. The VCI molecules migrate to the metal surface, creating a protective layer against rust and oxidation.

Best Applications for VCI Paper

VCI paper is ideal for wrapping small components, engine parts, and precision machinery in the automotive and aerospace industries. It is also suitable for short-term storage or shipment of fabricated metal products, offering a practical solution for machined metal parts. Additionally, it provides a lightweight and eco-friendly packaging option for metal goods being transported overseas, making it an excellent choice for export packaging.

Advantages of VCI Paper

Eco-Friendly – Often made from biodegradable materials and recyclable.
Easy to Use – Simple wrapping process without the need for additional application equipment.
Cost-Effective – Lightweight and easy to handle, reducing packaging costs.

VCI Film: Best for Long-Term Storage and Moisture Resistance

What is VCI Film?

VCI film is a polyethylene-based plastic material embedded with corrosion inhibitors. Available in various forms—such as stretch wrap, bags, and shrink film—it provides an airtight seal that locks out moisture while continuously emitting VCI molecules to protect the enclosed metal.

Best Applications for VCI Film

VCI film is commonly used for wrapping large machinery and heavy-duty metal components stored in remote areas, making it an excellent choice for mining and industrial equipment. It is also highly effective in preventing corrosion in delicate circuit boards and wiring systems, which is crucial for protecting electronics and electrical components. Furthermore, VCI film is particularly useful for sea freight, as it offers protection against humidity and salt air during export shipping.

Advantages of VCI Film

Superior Moisture Resistance – Acts as a physical barrier against water and contaminants.
Versatile Formats – Available as stretch film, zip-lock bags, and shrink wrap, offering flexible packaging options.
Long-Term Protection – Can protect metal for up to 24 months when properly sealed.

VCI Oil Coatings: Best for Heavy-Duty and Harsh Environments

What is VCI Oil?

VCI oil is a liquid corrosion inhibitor that can be applied directly onto metal surfaces to create a protective barrier. Unlike dry VCI methods, the oil provides an extra layer of physical protection against abrasion and environmental exposure.

Best Applications for VCI Oil

VCI oil is particularly useful for protecting exposed metal parts in heavy machinery operating in harsh conditions, such as mining and construction equipment. It is commonly applied to coat raw steel coils, plates, and components before storage or transport. Additionally, it is ideal for preserving large metal structures exposed to outdoor weather during long-term storage.

Advantages of VCI Oil

Heavy-Duty Protection – Ideal for extreme conditions and prolonged storage.
Self-Healing Coating – Can withstand handling and minor abrasions without losing effectiveness.
Water-Displacing Properties – Prevents moisture build-up on surfaces.

Steps to Choosing the Right VCI Product

To select the best VCI solution for your needs, consider the following steps:

Assess Your Storage and Transport Conditions – Determine whether your metals will be stored short-term, long-term, indoors, or outdoors.
Identify Environmental Factors – Consider humidity, temperature fluctuations, and exposure to salt or dust.
Evaluate Handling Requirements – Choose a product that aligns with the level of handling your components will undergo.
Balance Cost and Sustainability – Factor in budget constraints and environmental considerations, such as recyclability and ease of disposal.
Consult a Corrosion Prevention Expert – Seek professional advice to ensure you select the most effective and efficient VCI solution for your industry.

By selecting the appropriate VCI product, you can safeguard your valuable assets and ensure long-term performance in even the harshest Australian conditions.

Do You Need Corrosion Protection Solutions?

Look no further than Australian Inhibitor for your corrosion protection solutions. We bring over 65 years of experience and are here to help with corrosion protection for your valuable assets, backed by outstanding customer service.