Corrosion under Insulation is a major problem in the petro-chemical and chemical industries where the corrosion rates carbon steel can be significant if operating at high temperature and subject to temperature cycling, particularly when thermally insulated. The protection of these assets thus provides some of the most demanding environments faced by coatings. This paper provides an outline of the development of "Cold Spray Aluminium" (CSA) coatings technology in comparison to traditional high temperature coatings systems. The performance (laboratory and field) of the new generation high temperature corrosion resistant coating together with test method development is discussed.
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