Thanks for the added information!
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I use waxed paper for various glues to prevent unwanted sticking. In my earlier days making musical instruments, I would make would clamping blocks and the like by heating small wooden bits in a low temp oven in a beeswax bath. Would take them out and continue the heat so excess wax would drain off. One needs to careful of fire of course. Nothing ever stuck to them.
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Good to know. I didn’t mention it before but I’ll be making a lot of these plugs and the amount of work related to using wax paper would be pretty high. BTW, what kind of instruments did you make?
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Saran Wrap releases from epoxy resin also.
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That was one of my first guesses for so1mething to try. The problem in this instance for my application is that the wrap would have some issues causing the glue to not match the mold closely enough due to possible wrinkles or corners which aren’t square with the mold. But I really liked that it would leave the plug with little to no residue once setup.
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1) Do NOT get it on your fingers.
2) Failing that do not touch anything.
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That’s a real problem ‘cus I’m a chronic nose picker. Seriously I wear exam gloves when working with almost anything. They are too good to not use. Exam gloves, that is…..
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I've used a number of things in the past with success...Vasoline, bearing grease, motor oil, etc. Just a thin coating should be enough. If the dimensions are important, look to a spray on mold release, and cross your fingers.
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The spray on mold release would have been the best for my application, except for the need to clean it off after; but as I noted above, instead of epoxy glue, I’m going to try using some silicone mold putty to make a mold and then some quick dry resin. The resin cost about 1/10th what epoxy glue does and sets to touch (the so-called pot life) is about 10 minutes. I’ll be making a lot of these plugs and the combined time and cost factors were very influential. Another big factor is that once I make this plug, it will be glued onto something else and I don’t want to have to clean the plugs prior to gluing them