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Friday, September 6, 2019 

Coatings manufacturer Hempel has launched an innovative fouling defence system, known as Hempaguard MaX.

This three-coat system provides vessels with a smoother hull, reducing drag which results in significantly lower fuel requirements. Hempel claims it will deliver a guaranteed maximum speed loss of 1.2% over a five-year period. 

The Hempaguard MaX system is applied in three layers, reducing time in dry dock by up to two days. The compamy suggests that the combined savings generated through reduced time in dry dock and increased fuel savings could pay back the cost of the coating within three months.

Hempel's Head of Marine Group Product Management, Davide Ippolito, said: "The high level of fuel savings and hull protection are achieved due to the low average hull roughness (AHR) level delivered by the whole coating system, very low speed loss over the entire operational period and improved anticorrosive capabilities. Hempaguard MaX is the next logical step for shipowners and operators seeking to maximise their efficiency and reduce associated CO2 emissions. At a time where marginal gains are of importance and environmental regulations are becoming stricter, the choice of hull coating can make a significant difference."

The system builds on the success of Hempel's flagship hull coating Hempaguard X7. Since its launch in 2013, this coating has been applied to over 1500 vessels allowing those owners to collectively reduce their annual bunker bill by some US$500 million and save over 10 million tonnes in CO2 emissions.

Hempaguard MaX exploits the synergies between its three different layers:

  • The top coat Hempaguard X8, driving the antifouling performance, is built on Hempel's enhanced patented Actiguard technology. This combines the smoothness of a silicone coating with an improved hydrogel microlayer and active ingredient to provide antifouling performance, operational flexibility and a smooth hull.
  • Hempaprime Immerse 900 is an anticorrosive primer that can be applied in one coat.
  • Nexus II is a next generation tie-coat technology with improved anticorrosive capabilities. Together with the primer, it provides the same protection delivered by two standard maintenance epoxy coats, reducing time in dock for faster return to service.

The new three-coat Hempaguard MaX system used together with SHAPE, Hempel's System for Hull and Propeller Efficiency, is claimed to offer a new peak for fuel efficiency available to commercial shipowners and operators.

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