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Post by Mike B on May 13, 2020 16:29:18 GMT -5
Hello,
I am wondering if Alumilite Clear Cast will bond to, and seal, aluminum? I am trying to food safe shot glasses made from old military bullet casings and am looking to coat the shells with epoxy. Any help is greatly appreciated.
Thank you
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Post by notoes on May 14, 2020 7:25:38 GMT -5
If you "embed" it then it will be fully enclosed and therefore sealed. But I'm thinking you just want to overlay it so just be sure you cover all surfaces and that you aren't leaving exposed edges. I'd do it similar to the tumbler video here : www.alumilite.com/applications/surface-coating/. If they are to come in contact with food or drink, just be sure you are using the Amazing Clear Cast as it is the only FDA compliant resin and none of the others are recommended for applications where the resin will come in contact with food or drink items. So be VERY CAREFUL, we don't want you or the recipients of the glasses getting sick. Other than that, have fun and if you need more help just come back here. |
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Post by Mike B on May 14, 2020 11:52:10 GMT -5
Thank you for the help.
I am curious though what exactly you mean by “embedding”?
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Post by Mike B on May 14, 2020 11:55:38 GMT -5
I have read a little bit though too about epoxy not bonding properly to aluminum? Is this correct, or will Alumilite Clear Cast cost and seal properly and effectively, assuming all mixing and curing directions are followed? I would be concerned about the coasting coming off in the future.
Thank you
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Post by notoes on May 15, 2020 8:33:27 GMT -5
Embedding means to completely to coat all surfaces to a specific depth - think of it like a drop of color in the middle of a mass of clear resin would be a better visual.
I think aluminum won't really bond well with anything except metal when you weld them together (with a welder) so the aluminum has to be fully enclosed to bond with most anything. Think of it like how super glue droplets won't "weld" onto it when it is dropped on top of a piece of aluminum - you can easily scrap the droplets off. So it needs to be suspended or enclosed in something to get close to any type of "bond" when the other material isn't metal.
The coating may eventually come off due to wearing down but that is how most anything will wear down. Alumilite has a video of using the Clear Cast to cover a counter top to make a "marble" counter top so it is expected to hold up to years of use. I use a lot of it to seal and level my built mold bottoms for my custom molds and I haven't had any problems with it cracking or wearing off and those are usually thin layers.
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