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Old 05-05-2014, 02:11 PM   #1
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1959 24' Tradewind
Quantico , Virginia
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Filiform Corrosion?

Hi,

My trailer has developed a case of filiform corrosion this year (see pic) First year I've seen this.

I've tried the G6, F7, and C Nuvite with the wool bonnet. Also tried the Jestco buffing wheel with gray and red bar.

This white corrosion is pretty persistent.

Anyone have any tricks or suggestions? Sandpaper?
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Old 05-05-2014, 03:47 PM   #2
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2024 23' Flying Cloud
San Antonio , Texas
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Do a search for posts by "Howard L". This was covered in a series of posts last week regarding treatment, repair, and prevention.

Best of luck.
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Old 05-05-2014, 04:02 PM   #3
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1959 24' Tradewind
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I should have specified....my trailer is a 1959 Tradewind. No clear coat. It was a mirror shine last season.

What is the best technique to remove these white spots?
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Old 05-05-2014, 04:39 PM   #4
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My comment won't be very helpful I'm afraid, but IMHO, I think what you have is some form of corrosion other than filiform.

I think filiform corrosion - looking like wiggly white worms - is associated with coated aluminum products.

The corrosion develops pathways and inroads under the coating..


Brian.
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Old 05-05-2014, 07:19 PM   #5
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2002 19' Bambi
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Filiform? Most likely not. Corrosion? Definitely! My guess would be that it is from being blasted with sand and salt from winter roads, or the seaside, or the desert (which would have required water afterwards).

Polish it quickly before it eats in too deep. That might not be easy because such white corrosion can be harder than the aluminum.

Tim
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