Adhesive of choice in this situation? - SailNet Community
 
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post #1 of 8 Old 01-06-2012 Thread Starter
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Adhesive of choice in this situation?

Happy New Year!

I need to bond a piece of metal to a piece of hard rubber. It might get some light spray now and then but mostly dry. Needs to be a pretty strong bond.

Epoxy? Any particular kind recommended?

5200? I wouldn't think this but I've heard tell of people using it to glue anything and everything. So I'm willing to try it if it bonds well.

-Charts
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post #2 of 8 Old 01-06-2012
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What's it going to do, how much of a load are you going to put on the bond?
I would lean toward 5200 rather than any kind of an epoxy, but not knowing what the "hard rubber" actually is makes it difficult to know.

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post #3 of 8 Old 01-06-2012
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chart :

You are going to need something flexible, methinks. Epoxy tends to be a hard animal and does not like dissimilar stiffnesses. Try to set it up so that you avoid peeling loads. Direct and shear stresses are better tolerated.
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post #4 of 8 Old 01-07-2012
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Epoxy is likely to be brittle without some kind of additive.

5200 is what I would use.
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post #5 of 8 Old 01-07-2012
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If the joint needs to remain a bit flexible, you might consider 4200 rather than 5200. Also, I believe you need to apply some pressure (clamping etc.) for a good bond.
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post #6 of 8 Old 01-07-2012
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What type of load;
Compression, pulling, twisting?
What type of metal;
Stainless steel, bronze, aluminum,....
What type of hard rubber;
real rubber, synthetic rubber?

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post #7 of 8 Old 01-07-2012
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Is this lifesaving adhesion or decorative? The 5200/4200 recommendations are where my head is generically, but there are not enough details to give good advice.


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post #8 of 8 Old 01-07-2012
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I did a quick search and found this :

http://multimedia.3m.com/mws/mediawe...6EVs6E666666--

I also recently used some flexible epoxy for plastic, on my hypalon dinghy :

Marine Tex, epoxy resin, adhesives, silicone grease, engine treatment, cleaner, repair, bond, fill, seal, fiberglass, aluminum, plastics, Starboard, wood

Both those products state they will bond rubber and metal.

Bristol 31.1, San Francisco Bay
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