JPCL November 2020

 
JPCL November 2020


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The Future of Ship Painting: Part 1: Identifying Problems, Exploring Solutions

by Andy Hopkinson, Ralitsa Mihaylova and Raouf Kattan, Safinah Group Ltd.

While the process of applying coatings to ships and the surface preparation and inspection activities have hardly changed over the last 50 years, regulations have resulted in changes to paint formulation and increased pressure on ship owners to consider more environmentally friendly solutions. This article highlights the areas where developments will be required to meet the challenges of building, repairing and operating ships in the future, and to identify technologies that may offer solutions to some of these problems.


Can You Use a Zinc-Rich Primer When Painting Offshore?

by Raquel Morales, Antoni Prieto, Joaquin Ferreiro and David Morton, Hempel A/S

Traditional zinc-rich primers are the primer of choice during new construction of offshore oil and gas production assets. However, during maintenance, zinc-rich primers are often not used because of difficulties in achieving desired surface preparation and controlling the applied dry-film thickness to prevent cracking. This article will examine the performance of new, activated zinc-rich epoxy primers compared to conventional zinc-rich epoxy primers on steel prepared to different surface profiles using standard techniques of today.


Dehumidification in Shipyard Abrasive Blasting: Techniques, Dos and a Few Don’ts

by Nick Kline, Polygon US

Using dehumidification in shipyards during abrasive blast-cleaning operations has been a widely accepted practice for three decades, and while techniques have become much more sophisticated, the basic goal of preserving the blasted steel and creating the right conditions for coatings application remains the same. This article discusses how various combinations of desiccant dehumidification, heating and cooling equipment and other components have been utilized properly and also provides some examples of when things did not work out so well.


   
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