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Glue for cabochons

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Forum topic by kmetzger posted 11-17-2014 11:31 PM 821 views 0 times favorited 6 replies Add to Favorites Watch
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kmetzger

147 posts in 1281 days


11-17-2014 11:31 PM

I’ve been making wine bottle stoppers lately and was just about to glue a stone cabochon (jasper) into the top when I discovered that CA glue isn’t good for this purpose.

“Inlaying Stone and Agate
Cabochons in Wine Bottle Stoppers
Installation of the polished cabochon requires an adhesive that remains strong, yet flexible when cured. A special adhesive like E-6000, or a standard Jewelers epoxy should be used to mount the cabochon.
If you wish to use another type of adhesive, remember, it must remain flexible when cured for best results. 2-Cyanoacrylic Ester Polymer adhesives (CA, or Super Glue) are unsuitable for this type of mounting. Polymerised CA glue is somewhat brittle and does not adhere well to the highly polished surface of some stones.”
http://www.woodturningvideosplus.com/wine-bottle-stoppers.html

So I’m looking at buying some Loctite superflex silicone adhesive. http://www.woodturnerscatalog.com/p/84/5730/Loctite-Superflex-Clear-RTV-Silicone-Adhesive-Sealant?term=loctite%20superflex%20clear%20rtv%20silicone

What do you think?

-- Kim, Ajijic, Mexico, http://tinyurl.com/7w5fm25


6 replies so far

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TheDane

4997 posts in 3126 days


#1 posted 11-17-2014 11:39 PM

Your quote mentions E6000, which is available for about half the cost of the Loctite product. I think I would go with what the author recommends.

-- Gerry -- "I don't plan to ever really grow up ... I'm just going to learn how to act in public!"

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kmetzger

147 posts in 1281 days


#2 posted 11-18-2014 12:00 AM

Thanks, Gerry. E6000 isn’t available here in Mexico, so I was hoping to find something at Craft Supplies that would also work.

-- Kim, Ajijic, Mexico, http://tinyurl.com/7w5fm25

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TheDane

4997 posts in 3126 days


#3 posted 11-18-2014 12:39 AM

Didn’t think about availability outside the U.S.

They do make a flexible CA, but that might not be available either. The Loctite product might be your best option.

-- Gerry -- "I don't plan to ever really grow up ... I'm just going to learn how to act in public!"

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BasementShop

69 posts in 763 days


#4 posted 11-18-2014 10:07 PM

Try http://www.woodturnerscatalog.com/p/83/6235/Insta-Bond-Back-Flexible-Premium-CA-Glue

They list the glue as ‘flexible’ and mention its use with stone.

View JoeinGa's profile

JoeinGa

7481 posts in 1470 days


#5 posted 11-19-2014 01:39 PM

Looks like from the quote that the reason the CA isn’t recommended is because the stone surface is too slick for it to stick. Is there any way to scuff the surface just where it’ll be glued so it will stick?

-- Perform A Random Act Of Kindness Today ... Pay It Forward

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kmetzger

147 posts in 1281 days


#6 posted 11-19-2014 02:32 PM

Joe – I did scuff it up and used regular epoxy. The article also says that besides the adherence problem, CA glue is brittle and won’t hold up to wood movement. So far, so good, but if I sell it I’ll give a lifetime guarantee and glue the cabochon back in with flexible glue.

-- Kim, Ajijic, Mexico, http://tinyurl.com/7w5fm25

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