- Suitable for use in continuous production lines
- RoHS and REACH compliant
- Outperforms industry standards
- Increased durability
- Protected against white rust
- Transparent and colored passivation
Solutions for in-line passivation of galvanized tubes and wires, offering corrosion protection and reliable coating adhesion. Designed for high-speed continuous processing lines.
Galvanized steel tubes and wire products are widely used in industries where mechanical strength, corrosion resistance, and surface quality are essential. AD Metal Surface Treatment offers a complete product portfolio for the chemical surface treatment of continuously galvanized tubes and wire, specifically developed for in-line application in automated production lines.
Our portfolio includes:
- Adhesion promoters
- Passivation solutions
Adhesion promoters
For applications involving organic coatings, our adhesion promoters enhance the bonding between the galvanized surface and the coating system. They provide:
- Increased coating durability
- Improved edge coverage
- Reduced risk of delamination or flaking
These products are compatible with various coating technologies and can be applied directly after the galvanizing process in continuous production lines.
Passivation for zinc protection
For uncoated applications or temporary protection, our passivation solutions form a transparent or lightly tinted conversion layer that significantly increases the corrosion resistance of the galvanized surface.
Key benefits of our passivation solutions:
- Effectively prevents the formation of white rust
- Extends product lifespan during storage, transport, and use
- Suitable for fast, in-line processing in continuous operations
We offer both transparent and coloured passivations. Coloured variants (such as blue, iridescent, or yellowish tones) can serve functional or aesthetic purposes, such as product identification, branding, or improved corrosion performance.
Our passivation technologies are available as Chromium(III)-based or completely chromium-free formulations, depending on your environmental and performance requirements. All variants are designed for consistent results and full compatibility with automated processing lines.
The galvanized surface of tubes and wire products is passivated to provide additional protection against the formation of unwanted white rust. This passivation enhances the service life and reliability of the product – even in demanding environments or outdoor applications.
