Zinalium
Specification
The ZINALIUM? coating is made up of two layers
- A layer of 85-15 Zinc-Aluminum alloy, with a surface weight of at least 400g per sq. m, applied by spraying molten metal with an electric arc gun, using ZnAl alloy wire.
- A semi-permeable protective layer of blue epoxy paint, with an average thickness of 80 microns, applied with a spray gun.
Active protection from generalized corrosion
The ZINALIUM? coating preserves the “active” properties of the Zinc coating when it is in contact with the ground, i.e.:
- Formation of a generalized, closely bonded, stable protective layer (Zinc hydroxides, etc.) that covers the full surface area of underground piping;
- Restoration of continuity of the protective layer at any points that have suffered limited damage (impacts during transport, scraping during backfilling).