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**David M** · 03-06-2008, 08:36

Hobies have anodized masts that are well over 20 feet long so I would imagine there is a way. I have seen anodized masts oxidize where stainless fasteners are connected. So although anodizing is good, there is no perfect solution for stopping aluminum from oxidizing.

Also, powder coating aluminum is pretty much worthless. I bought a powder coated aluminum conducting cable winch and it was blistering in less than a year. Anywhere bare aluminum is exposed to the atmosphere, it will blister the adjacent paint or remove the anodizing regardless of how tough the paint is or how tough anodizing is.

I think that anodizing comes closest to a perfect solution....which of course does not exist.

03-06-2008, 08:36	#10
David M Moderator Moderator Join Date: Sep 2007 Location: San Francisco Bay Boat: research vessel Posts: 4,660	Hobies have anodized masts that are well over 20 feet long so I would imagine there is a way. I have seen anodized masts oxidize where stainless fasteners are connected. So although anodizing is good, there is no perfect solution for stopping aluminum from oxidizing. Also, powder coating aluminum is pretty much worthless. I bought a powder coated aluminum conducting cable winch and it was blistering in less than a year. Anywhere bare aluminum is exposed to the atmosphere, it will blister the adjacent paint or remove the anodizing regardless of how tough the paint is or how tough anodizing is. I think that anodizing comes closest to a perfect solution....which of course does not exist. __________________ David Where land ends life begins. Last edited by David M; 03-06-2008 at 08:45.