CORROSION CONTROL
While the increasing number of offshore wind turbines in harsh maritime environments is resulting in increased demand for coating systems capable of protecting subsea components against corrosion and abrasion, an equally important consideration is pigment preservation
Regular coatings typically lose their original colour when exposed to ultraviolet radiation, which is problematic when colourfastness is required, such as in the offshore windfarm sector. This was the primary reason Subsea Industries, the Antwerp-based specialist in non-toxic, ever-lasting marine coatings, developed Ecolast, a UV-resistant hard coating capable of withstanding the pigment-depleting effects of the Sun’s rays.
PRESERVING REGULATORY YELLOW Introduced last year, Ecolast offers the same high level of corrosion and abrasion protection common to all
FEATURE SPONSOR ADDING COLOUR TO CORROSION PROTECTION
Subsea Industries’ coating systems, while completely preserving the regulatory yellow, which is applied for safety reasons.
“It is essential that the coating used does not change colour. In most cases an extra layer of polyurethane is applied to preserve the colour. But this additional layer is not resistant to abrasion and offers only a temporary fix. A more permanent and less cumbersome solution is Ecolast,” said Manuel Hof, Subsea Industries’ Production Executive and NACE Inspector.
“The number of global offshore wind farm projects entering the construction phase points to significant market growth for the sector in coming years, with analysts predicting capacity peaking at 9.2GW in 2022. If these new installations are coated with Ecolast, they will be protected against salt, ultraviolet radiation, waves, even ice. Mechanical damage to the coated surface is minimised.
This is especially important for (semi-) submerged structures like wind turbines that are located in splash or tidal zones,” he concluded.
Like all other coatings systems in the Subsea Industries family, Ecolast is completely impervious to abrasion and corrosion. As a result, no repaint is required once the coating has been applied, safeguarding the colour and the integrity of the structure or vessel, while negating costly recoats and substrate preparation work.
Application of Ecolast is done in two homogenous layers, with no need for a primer or any other extra layer. This facilitates a much quicker application and curing time while keeping coatings costs to a minimum. Since the coating system is a one-coat application, operational costs are reduced as no recoats are required.
Subsea Industries
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