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Anti corrosive barrier

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English Dave View Drop Down
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Post Options Post Options   Quote English Dave Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 09 at 10:06am
Originally posted by laser193713

Originally posted by English Dave


 it may appear in "Pimp" in a few weeks.)



You are breaking the most important rule
here!


Point taken. Perhaps I should start a new "Bodge Club"
thread.
English Dave
Ballyholme Yacht Club

(You'd think I'd be better at it by now)

Hurricane 5.9 SX
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JimC View Drop Down
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Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 09 at 2:51pm
Originally posted by Granite

Duralac is zinc chromate paste and acts as a sacrificial anode. 

Its not! I always though that, but the other day I looked it up and it is in fact Barium Chromate and it seems the chemistry going on is a lot more complicated. I didn't find a source I trusted to work out exactly how it works - especially with carbon - but it definitely says barium chromate on the tube I have.
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Granite View Drop Down
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Post Options Post Options   Quote Granite Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 09 at 3:30pm
Originally posted by JimC

Originally posted by Granite

Duralac is zinc chromate paste and acts as a sacrificial anode. 

Its not! I always though that, but the other day I looked it up and it is in fact Barium Chromate and it seems the chemistry going on is a lot more complicated. I didn't find a source I trusted to work out exactly how it works - especially with carbon - but it definitely says barium chromate on the tube I have.


You are absolutely right, used to use it all the time at work and everyone either called it Zinc Chromate or Chicken Sh1t. Looking at the MSDS it is not as quite as nasty as was made out either.

If it doesn't break it's too heavy; if it does it wasn't built right
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didlydon View Drop Down
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Post Options Post Options   Quote didlydon Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 09 at 8:21pm
Ok, Duralac it is then whenever I replace anything stainless on me ally mast! Thanx for the info.  
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