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SPONSORS OF INDUSTRY NEWS SIGMASHIELD™ 1200:


ULTIMATE PROTECTION FOR OFFSHORE WIND FARMS


THE GROWING TREND TO DEvELOP SIGNIFICANTLY LARGER WIND FARMS MUCH FURTHER OFFSHORE, KNOWN AS ‘FAR SHORE’ PROJECTS, BRINGS NEW CHALLENGES IN THIS HOSTILE ENvIRONMENT TO PROTECT THE SPLASH zONES AND FOUNDATIONS OF THESE NEW WIND TURBINES.


PPG Protective & Marine Coatings (PPG) has developed SIGMASHIELD 1200 to meet this demand and give resilient long-term protection to offshore installations. This solvent- free, phenolic epoxy coating has outstanding anticorrosive performance as well as excellent impact and abrasion resistance.


NEW CHALLENGES One of the key issues facing stakeholders is balancing protective performance with the cost and complexity of maintenance for these installations. Indeed, the corrosion rates for unprotected steel can be as much as 10 times the corrosion rate for inland structures. Therefore, coating systemsspecified for such critical locations must be easy to apply at new construction and proven for offshore exposure in order to give the specified high durability level with minimal maintenance.


PPG’S UNIQUE, PROVEN SOLUTION


SIGMASHIELD 1200 fully addresses these requirements and is applied during new construction as a two-coat system (no primer needed) to the splash zone and foundations of the tower.


This advanced coating is easy to apply using heavy-duty, cold single-feed airless spray equipment, and exhibits excellent edge coverage with no shrinkage at high-film thickness – even in critical areas. These attributes improve both the efficiency and productivity of the in-shop painting process, and ensure that long in-service periods and minimal maintenance will be met.


Once in service, critical areas of the structure such as the transition zone, boat landings and access ladders will be securely protected from damage as a result of drifting ice, driftwood, other debris and the mooring of inspection vessels. SIGMASHIELD 1200 also exhibits good resistance against a wide range of chemicals and solvents, and is resistant to well-designed cathodic protection.


REDUCED ENVIRONMENTAL IMPACT


SIGMASHIELD 1200 is also solvent free, which reduces the level of explosion risk and fire hazard during in-shop application, so


10 www.windenergynetwork.co.uk


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