Stone holder repair.

Tjstampa

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Mar 25, 2019
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I have a tri-hone that has a silicon coarse stone, a medium and fine natural stone. This weekend i knocked it off my work bench and the coarse stone separated from the wood block. What would be a good adhesive to adhere it back to the wood. I have attache a couple of pictures to show what i have.
 

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Ahh, the venerable Tri-Hone. That one looks to be as old as mine. I'd clean the surfaces thoroughly and mix up some 2 hour epoxy, sread it on and clamp it for a day or two.
 
It is about 24 years old or older. Bought it on a trip to the smokies in either 99 or 97. The big Christmas shop in Pigeon Forge
 
I used 3M 5200 marine glue and sealant to re-attach mine, years ago.
The 3M 4200 "fast dry" (note quotes) would also work. I didn't have any 4200 at the time.

Be aware:
5200 and 4200 are never solid/hard when dry. They always have a slight give to them.
regular 5200 takes a couple days to fully cure. It is "tack free" after 8 to 12 hours, depending on temp and humidty.
4200 takes about half as long.
It takes about a month to get any on your hands off. If you get any on your clothes ... either will outlast the material.
Both are waterproof. Both can be used for under the waterline repairs, and dry under water.
Both are a "perminant" application. It is near impossible to remove once dry. I think it was acitone that was used to wipe off the surrounding areas (before it dried). However it has been over nearly 2 decades since I used them, so I might be mistaken on that.

5200 and 4200 will stick to everything but one or two marine plastics. (one of which is the "glass" used for hatch covers.🙄)
Use to "glue" clean/oil free stone to clean/varnished/epoxied wood? No problem. They will probably outlast both.
 
If everything is clean and dry then Epoxy will do it. If either is oily, it becomes much more difficult. You've got to get rid of the oil somehow.
 
If everything is clean and dry then Epoxy will do it. If either is oily, it becomes much more difficult. You've got to get rid of the oil somehow.
I would use the clear or black 100% silicone adhesive. Remains permanently flexible and works great on bricks, so I imagine a porous stone would be no problem.
 
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