Challenging the Organic ‘Zinc-Rich’ Primer Standard

From JPCL, March 2020

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....

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