Main characteristics:

• External BioZinalium® coating consists of two layers: - a layer of zinc-aluminium 85/15 alloy, enriched with copper, with a minimum surface density of 400g/m²), applied by spraying molten metal onto the surface of the iron, using an electric arc spray gun, from ZnAl (Cu) alloy wire - a protective layer of Aquacoat (semi-permeable), a water-based blue acrylic of average thickness 80 microns applied using a spray gun
• Internal lining: cement mortar
• In conformity with EN 545:2010 and ISO 2531:2009