TOP COAT


Propspeed have developed three non-biocidal antifoul coatings of their own, specifically tailored for each job they were designed for


for underwater lights, with little or no loss of lumen output or degradation of colour.


Last but not least, Foulfree is Propspeed’s fouling preventative for transducers that offers a decent minimum of 12 months protection time.


With ambitious plans of doubling revenue in just five years, Danish marine and industrial paint and coatings giant, Hempel, want to achieve this target with sustainable and environmentally friendly products leading the charge.


Biocide-free products have been high on Hempel’s agenda for quite some time, and in the antifoul range, Silic-One is their best- known product, which I have had recent personal experience with.


With its own primer and tie-coat system, applying Silic One is a four-stage process


which must be adhered to closely. This includes a Primer and Tiecoat, followed by two coats of Silic One. Preferably it works best if you can start from a bare gelcoat hull, but previously coated hulls can be cover-coated with Hempel’s Silic Seal, a two-component epoxy primer, as long as the substrate is in good condition.


Applying Silic One is quite a lengthy application process compared to others that can be applied with little more than patch-priming underneath. But the results are worth the extra effort and labour time involved. Not only does it work well, but it’s a ‘high-solid’ coating and has less VOCs emitted into the air, which is definitely good news all round.


For large yachts and superyachts generally cruising at slower speeds, then Hempel has Hempaguard X7 – a low-friction antifoul that Hempel says will reduce overall fuel


PROPSPEED Propspeed®, is an industry leader in foul-release coatings and has been protecting underwater assets for over 21 years. The Propspeed® coating system is recognised globally as one of the best preventions of marine growth and fouling of propellers, running gear and other underwater metals. Lightspeed, endorsed by Lumishore, is a transparent coating that not only protects underwater lights from fouling, it also restores any damage caused by removing fouling from lenses. For further under the water line protection, Foulfree, certified by AIRMAR, protects transducers from fouling to ensure accurate and clear signal transmission. The company is heavily involved in further research and development and will continue to lauch new eco-friendly products. For more details Tel: +44 7766 056 911 or visit www.propspeed.com


consumption over long periods of time. It’s said to work for periods of up to 60 months maximum without reapplication and/or over very long idle times of up to 3 months.


Research and Development is high on the agenda for every paint manufacturer, and with more environmental policies due over the coming years, this is a good policy.


ONBOARD | WINTER 2021 | 189


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