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Boat House
1968 Ouachita Transom Wood Replacement
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<blockquote data-quote="DaleH" data-source="post: 484434" data-attributes="member: 15636"><p>Personally I'd NEVER use a tin in saltwater without separating the tin from the stainless steel, as for galvanic corrosion, saltwater is an ideal electrolyte. But to your question, here is what 5200 does to unprotected or unprimed tin.</p><p></p><p>If I only boated in freshwater ... well, that would be your decision to make, as would take a loooooong time to have any ill effect I'd guess, without any isolation.</p><p></p><p><span style="color: #BFFFFF">.....</span></p><p>[ATTACH=full]109722[/ATTACH]</p><p></p><p><span style="color: #BFFFFF">.....</span></p><p>Now on my 1989 hull, always used in saltwater, I had placed nylon washers under the SS bolt heads and I just had to remove some on the transom, so you know they get splashed with saltwater. I had ZERO evidence of corrosion around the bolt head and no crevice corrosion on the SS bolt body. Works for me! </p><p></p><p>But granted, I readily admit I <em>tend to go towards 'overkill',</em> but again ... I expressly use my tins in the salt.</p></blockquote><p></p>
[QUOTE="DaleH, post: 484434, member: 15636"] Personally I'd NEVER use a tin in saltwater without separating the tin from the stainless steel, as for galvanic corrosion, saltwater is an ideal electrolyte. But to your question, here is what 5200 does to unprotected or unprimed tin. If I only boated in freshwater ... well, that would be your decision to make, as would take a loooooong time to have any ill effect I'd guess, without any isolation. [color=#BFFFFF].....[/color] [ATTACH type="full" alt="Aluminum Corrosion, Protected vs Unprotected.JPG"]109722._xfImport[/ATTACH] [color=#BFFFFF].....[/color] Now on my 1989 hull, always used in saltwater, I had placed nylon washers under the SS bolt heads and I just had to remove some on the transom, so you know they get splashed with saltwater. I had ZERO evidence of corrosion around the bolt head and no crevice corrosion on the SS bolt body. Works for me! But granted, I readily admit I [i]tend to go towards 'overkill',[/i] but again ... I expressly use my tins in the salt. [/QUOTE]
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1968 Ouachita Transom Wood Replacement
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