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Old 16-01-2020, 11:22   #46
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Re: Recommendations for ablative paint

My experience of Pettit Trinidad and Micron 66 (in the SF bay area_ is that performance is about the same for the first year. For the second year the Micron 66 is slightly better. But after that time the Trinidad essentially gave up - into the third year it required frequent and difficult cleaning. At the 3 year point the Micron 66 is still performing acceptably.

Also, after 20-30 years of use it cost me thousands to have the Trinidad removed, as it had built up into a thick layer, and was losing adhesion, with blisters forming under the bottom paint (not fibreglass blisters).

At the 3 year point, the Micron 66 has given an extra year of service, that's 50% more life, and will never build up.

I can see no reason to use a hard paint. I made the switch to ablative because Trinidad with Irgarol wasn't available for a while, but will not be going back (not that I could now, can't do hard paint over soft).

Bristol 31.1, SF Bay.
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