New I-Tech Marine Biocide Slips Barnacles Off Ships Hulls

By George Backwell
Tuesday, July 08, 2014
Ship's hull: File photo

Originator of Selektope, I-Tech, a marine biocide used to improve ship hull performance and reduce maintenance, has been notified that the product has passed the UK's Health & Safety Executive's  evaluation criteria for marine biocides and therefore can be authiorised for approval in the EU.

I-Tech explains that Selektope – further improves antifouling paints. 
The turnover for antifouling paints is estimated to USD 2 billion per year, and a protection against barnacles is a necessity in all antifouling paints. Selektope is a biodegradable, non-metal substance developed to avoid fouling on boats and ships by barnacles and other shell-forming animals – a so-called antifouling substance.

The product has proven effectiveness in concentrations of about 0.1 % w/w (percentage weight/weight). The antifouling effect is exerted through stimulation of the barnacle larvae’s swimming behaviour. It thereby makes the larvae unable to attach to a surface painted with Selektope. As soon as the barnacle leaves the surface the effect disappears, i.e. it is reversible. Due to the low concentration needed, Selektope does not compromise the paint’s chemical structure, colour or other cooperative biocides involved.

Final EU approval estimated by end of 2014
The authorisation from the UK HSE means that all necessary investigations and tests are completed, approved and evaluated to ensure that Selektope does not pose a risk to humans or the environment when used as an antifouling biocide. All other EU member states have now received access to the Selektope dossier and will be given the opportunity to raise questions or concerns during a 2-month period. Final EU approval is estimated to arrive by the end of 2014. Selektope has already received regulatory approval in Japan, Korea and is under registration in China.

About I-Tech

I-Tech is a Swedish limited company, founded in 2000 by a group of researchers from the University of Gothenburg and Chalmers University of Technology.
 

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