Corrosion Protection Paper (VCI Paper): Protect Metal Parts Reliably from Rust

What is corrosion protection paper?

Corrosion protection paper – often referred to as rust protection paper or VCI paper – is a specially treated packaging paper designed to protect metal surfaces from corrosion. It is used to protect sensitive components against moisture and oxidation during storage, transport, or export.

Unlike conventional oil paper, modern VCI corrosion protection paper works with so-called volatile corrosion inhibitors (VCI). These active substances evaporate in a controlled manner and form an invisible protective layer on the metal surface. This allows metal parts to be protected without direct coating with oil or grease.

Depending on the product type, corrosion protection papers are available in nitrite-free or nitrite-containing versions. This enables different requirements regarding corrosion protection performance, material compatibility, and regulatory compliance to be met.

VCI paper is used in numerous industries, including mechanical engineering, automotive manufacturing, metal processing, and export packaging.

How does VCI paper work?

The protective effect of VCI paper is based on a so-called protective atmosphere. The VCI substances contained in the paper release molecules into the surrounding air, which settle on the metal surface and prevent corrosion.

As a result, corrosion protection paper not only protects through direct contact but also within closed packaging systems at a certain distance from the component. This makes the packaging solution particularly flexible and efficient.

A major advantage compared to conventional corrosion protection methods is the clean application. While oiled metal parts often need to be cleaned before further processing, products protected with VCI paper are usually ready for immediate use after unpacking. This saves time, reduces process costs, and improves handling in production and logistics.

Advantages of VCI corrosion protection paper

Corrosion protection paper offers companies numerous advantages throughout the entire supply and storage chain. Even small amounts of moisture can cause damage and high follow-up costs, especially for sensitive metal parts.

One key advantage is its easy handling. VCI paper can be easily integrated into existing packaging processes and is suitable for both individual components and complete assemblies.

In addition, companies benefit from the following advantages:

• reliable protection against rust and corrosion
• no additional oiling required
• metal parts ready for immediate use after unpacking
• reduced cleaning effort
• recyclable packaging solutions available
• nitrite-free or nitrite-containing solutions depending on product type
• suitable for transport, storage, and export

Compared to other corrosion protection solutions, VCI paper combines cost efficiency, sustainability, and high protective performance.

Applications of corrosion protection paper

VCI corrosion protection paper is used in many industrial sectors where metal parts must be reliably protected.

In mechanical engineering, VCI paper is frequently used to package precision components, spare parts, or tools. In the automotive industry, it protects components during internal logistics processes and worldwide shipping.

Corrosion protection paper also plays an important role in export packaging. Long transport routes, changing climate conditions, and high humidity significantly increase the risk of corrosion. By using VCI packaging, companies can significantly reduce transport damage and complaints.

VCI paper is also commonly used for:

• stamped parts
• screws and fasteners
• shafts and gears
• electronic components
• semi-finished metal products
• spare and storage parts

BRANOrost VCI paper by BRANOpac

With the product range BRANOrost, BRANOpac offers various solutions for professional corrosion protection of metal parts. The VCI papers are available for different requirements and protection durations and are suitable for industrial, storage, and export applications.

Depending on the product variant, metal parts can be reliably protected for many months. Additional solutions such as BRANOrost chips or VCI duplex cardboard are available as interlayers.

Particularly relevant for many companies are:

• different product variants for various protection requirements
• recyclable paper solutions
• high protection performance without oil or grease
• flexible formats such as rolls, sheets, or cut sizes
• protection even for complex component geometries

This allows packaging processes to be designed efficiently while also meeting modern sustainability requirements.

VCI paper or VCI film – which solution is better?

Whether VCI paper or VCI film is the better solution primarily depends on the application, transport route, and protection requirements.

VCI paper is particularly suitable for:

• more sustainable packaging concepts
• interlayers and individual packaging
• direct contact with metal parts
• applications with high recyclability

VCI films, on the other hand, offer advantages for:

• high moisture exposure
• long export routes
• closed packaging systems
• transparent packaging applications

In many cases, both solutions are combined to achieve optimal corrosion protection.

Conclusion

Corrosion protection paper is an efficient and economical solution for reliably protecting metal parts against rust during transport, storage, and export. Modern VCI papers enable clean corrosion protection without additional oils or greases while helping companies make packaging processes more sustainable.

Especially for industrial companies handling sensitive metal components, VCI paper offers clear advantages in terms of process reliability, cost reduction, and easy handling. With the BRANOrost product range, BRANOpac provides high-quality VCI packaging solutions for a wide variety of applications.

*The content on this page was partially generated with AI support and editorially reviewed.