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Customer feedback, Jotun reports, has exceeded all expectations. Jotun has by far the greatest number of applications for solvent free universal primer in the newbuild market.

Jotacote Universal S120 was introduced to leading yards in North East Asia and West Europe in 2017. The solution, the first of its kind on the market, features patent pending Covallox technology that incorporates covalent bonds in its chemistry on top of the already existing hydrogen bonds typical of conventional epoxy. This offers unrivalled substrate adhesion providing durability and anticorrosive properties targeted at lifetime protection of the vessel, particularly in the ballast tanks.

Dr. Erik Risberg, Global Marketing Director, Jotun Marine Coatings, commented, “The response we’ve received from the market in North East Asia and West Europe illustrates the efficacy of Jotacote Universal S120 and the strong benefits it delivers to shipowners.

This has been a careful process of evaluation, following an extensive development programme for Covallox technology – which has taken place over 16 years – and we’re now gearing up to take this unique product to our global customers. It is market proven in South Korea, one of the world’s leading shipbuilding nations, as well as in Germany, which specialises in building cruise vessels.

This gives us an excellent foundation to build upon and we believe Jotacote Universal S120 can be a genuine gamechanger within marine universal primers. The application of single coat systems is more demanding, and this careful approach has enabled Jotun’s technical staff to establish robust procedures to ensure the perfect completion.”

Although solvent free definitions can vary from market to market, Jotacote Universal S120 is a ‘true’ solvent free primer. This maximises its potential to reduce Volatile Organic Compound (VOC) and CO2 emissions. It is considered that universal primers often represent 60-80% of the total paint volume on a newbuilding project which would then translate to a great reduction in VOC emissions for forward thinking yards and owners.

The single coat solvent free PSPC approved system of Jotacote Universal S120 further reduces complexity and production time, improving shipbuilding efficiency by up to 43%.

Further advantages are unlocked in terms of long-term performance, as Risberg explained, “Traditional solvent-borne coatings can become brittle over time, aging with both exposure to ballast water and the hot and humid conditions of laden vessels.

However, with Covallox technology we can minimise the aging process and retain the coating’s original flexibility ensuring unbeatable durability and minimal maintenance throughout the vessel’s life cycle. This leads to compelling cost benefits, especially as, with less durable coatings, steel replacement is often necessary. But not with Jotacote Universal S120!”

With the significant reduction in emissions, and clear commercial benefits for both owners and builders, Jotacote Universal S120 has a huge potential as an alternative to conventional coatings for the maritime industry. “Jotacote Universal S120 is true solvent free, conforming to the highest standards and ensuring optimal long-term performance.

The three years of experience we’ve received from applications in South Korea and Germany has been invaluable. We now look forward to emulating that success for customers across the globe,” Risberg concluded.

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