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Offshore maintenance challenges - Active Water Repellence - On Demand

About this event

In the coatings industry, the development of a durable water repellent / superhydrophobic coating is of high interest to provide greater protection of structures from water, therefore reducing steel corrosion especially for offshore applications. This presentation reports the performance of a volumetric water repellent topcoat and a two coat system composed of the water repellent topcoat with an epoxy zinc primer. The anti-corrosive performance of the water repellent coating was evaluated by salt spray tests and the volumetric superhydrophobic effect by contact angle analyses. The preliminary results show a significant improvement on the anticorrosive properties compared to a standard coating material. The two coat system was compared to a standard three coat system in cyclic salt spray / QUV test; water condensation ageing resistance test. The impact resistance and flexibility of the system were also tested. The two coat system has shown excellent anti-corrosive properties for extended times of exposure and outstanding mechanical performance, making it a suitable candidate for areas exposed to aggressive environments such as offshore platforms.

Hempel

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As a world-leading supplier of trusted coating solutions, Hempel is a global company with strong values, working with customers in the protective, marine, decorative, container and yacht industries.