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Zinc coating or not?

Thread starter mark1965
Start date Aug 28, 2014

Status: Not open for further replies.

Aug 28, 2014

mark1965

Marine/Ocean

Hi. I'd like to get opinion. Today after hydroblasting 30000 psi on external hull there was still thin film on it (30-40 micron). I have used thinner jotun 17 to see is this zinc coating but was negative and my Manager also agreed that it isn't zinc. What coating it can be?