September 1, 2010
International Paint offers a simpler way to a smoother hull
Over the last 10 years, Intersleek biocide-free foul release systems from International Paint have delivered the proven benefits of an ultra smooth hull surface on thousands of ships and different ship types, resulting in reduced fuel consumption, cost and reduced greenhouse gas emissions.
But for vessels coated with non-SPC (self polishing copolymer) antifoulings, getting the benefits of Intersleek has usually first required full blast cleaning of the underwater hull to remove the existing coatings.
Now, however, continued research and development, particularly in the area of adhesion mechanics has resulted in the introduction of Intersleek 7180 Linkcoat.
Intersleek 7180 Linkcoat is designed for direct application over existing traditional antifouling technologies, controlled depletion polymers and hybrid schemes in addition to SPC antifoulings.
Application of Intersleek 7180 Linkcoat followed by the full Intersleek scheme, can significantly reduce the surface roughness of an existing antifouling system by over 70 percent resulting in a smoother hull.
Adhesion to and performance over a wide range of existing antifouling surfaces is provided by the specialized dual-cure technology (DCT) used in Intersleek 7180 Linkcoat.
International Paint says that an initial fast cure provides excellent drying and barrier properties whilst a secondary cure employing flexible polymer chemistry enhances system adhesion.
Intersleek 7180 Linkcoat also fills in and levels out the rough surface of an existing antifouling to provide the basis for a smooth finish that, says International Paint, is almost as good as the Intersleek system being applied to a fully blast cleaned surface. The smooth surface produced, reduces drag, significantly improves vessel efficiency and reduces fuel consumption and associated emissions.
Economically, Intersleek 7180 Linkcoat provides a logical choice for ship operators looking to reduce costs. Compared to a full blast and full scheme application on a typical VLCC vertical sides application, savings could be over $450,000, through shorter times in time in dry dock and reduced surface preparation and application costs.