JPCL March 2020

 
JPCL March 2020


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Challenging the Organic ‘Zinc-Rich’ Primer Standard

by Alex Yagüe and David Morton, Hempel A/S

Zinc-rich primers are often the primer of choice during new construction of offshore oil-and-gas assets. This article will examine the formulation and performance of new, activated zinc-epoxy primers compared to conventional zinc-rich epoxy primers, seeking to demonstrate comparable corrosion resistance at reduced zinc levels in the dried film and show a reduction in zinc metal levels without compromising galvanic corrosion protection.


2020 SSPC Structure Awards Series: The USNS Millinocket

This article will cover the repainting of the Spearhead-class expeditionary fast transport vessel, the USNS Millinocket, which was awarded the Military Coatings Project Award of Excellence during SSPC’s 2020 Structure Awards. Innovative antifouling and anticorrosive coatings were employed to prevent biofouling organisms from attaching to hulls and hindering the ship’s hydrodynamics—ultimately saving the U.S. military in both maintenance and fuel costs.


Wet Abrasive Blasting: The Future of Surface Preparation and the Effects it Has on Steel

by Joshua Bell and Casey McCartney, Tnemec Company, Inc.

With more stringent silica regulations being enforced in the coatings industry, the use of wet abrasive blasting is becoming more prevalent. The authors investigate the viability of wet abrasive blasting compared to dry abrasive blasting and explore the use of additives, in tandem with wet abrasive blasting standards, to remove soluble salts, inhibit flash rusting and avoid impacting the performance of applied coating systems.


2020 JPCL Coating Systems Buying Guide for Steel


   
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