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Monday, 16 September 2019
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Raw materials & technologies, Applications, Protective & Marine coatings

Coating protects shipping in harsh environments

Thursday, 18 September 2014

Easy application and fast curing at low temperatures help owners of specialist tonnage.

After two winters operating in heavy ice conditions, the underwater hull is still in pgood condition.

Source: philipus/Fotolia

After two winters operating in heavy ice conditions, the underwater hull is still in pgood condition.

Source: philipus/Fotolia

PPG Industries' protective and marine coatings business is fulfilling growing demand for "ice class" marine coatings for hull protection with "Sigmashield 1200" coating. Developed from research conducted in PPG's own facilities, it delivers good abrasion and impact resistance in ice, combined with low friction properties.

Providing cathodic protection and creep resistance

The coating combines a phenolic epoxy with hard pigments to provide high performance in icy waters. The producer has designed it to be easy to use by single-feed airless spray whether for dry docking or newbuilding projects. Its quick-curing hardener means the coating can be applied at low temperatures. It already has proven itself in harsh ice conditions in different parts of the world known for heavy ice, such as the Baltic Sea and the U.S./Canadian Great Lakes and Seaway trades. Its low friction coefficient in ice has been confirmed by Aker Arctic Technology, a testing institution that specialises in low-temperature testing at the limits of ice-going conditions.

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