Help on "bonding" 5200 to metal keel

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seadoggie

seadoggie

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Nov 1, 2010
18
Hunter 40' Legend MD
Merry Christmas to all! The 3M site recommends putting a Scotch-Weld structural primer EC-1945 B/A on the metal prior to application of the adhesive/sealant 5200. Apparently, the primer is no longer being made, and can only be bought in 6 quart sized can lots. Very expensive. Does anyone have one quart to sell, or any other ideas about priming the metal keel prior to adhesive placement? Many thanks, Eric
 
C

COOL

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Feb 16, 2009
118
Islander 30 mkII Downtown Long Beach
The only place you would use 5200 on a keel,
would be in the keel to hull joint. I have never
heard of any primer being used.
 
Don12364

Don12364

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Dec 2, 2003
1,637
Hunter 376 Warsash, England --
Why not ask 3M what it actually does. It could be juse a simple acid etch primer or similar so they may be able to recommend a suitable alternative.
 
Ross

Ross

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Jun 15, 2004
14,693
Islander/Wayfairer 30 sail number 25 Perryville,Md.
Also specify whether you have a lead or cast iron keel. You are not depending on the 5200 to keep things together just to keep the water out.
 
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