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"Coating jigs to resist superglue sticking ?" Topic

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350 hits since 20 Apr 2017
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JAFD2620 Apr 2017 5:07 p.m. PST

Salutations, gentlefolk !

Plan to make some jigs to hold small metal pieces to glue together. Wondering if there is a finish I can apply to the jig so that, when I superglue the pieces together, they won't stick to the jig.

(If I could, would make jig of wood, solder the bits together. Unfortunately not an option at this time.)

Thanks for any help you can give me with this.

Winston Smith Supporting Member of TMP20 Apr 2017 5:32 p.m. PST

Back in my industrial days, I puzzled a few adhesive salesmen by asking what their particular "glue" did NOT stick to. Reasons is simple. Like you, I wanted the substrates to not stick to the fixtures.

Our best solution was polypropylene. White "plastic" cutting boards are made from this. It's machineable.
As for a finish, I'm still looking for one. grin
I seem to remember one of those "But wait, there's more!" infomercials that featured a Teflon coating. Maybe not.

CeruLucifus22 Apr 2017 12:02 p.m. PST

Not exactly what you're asking, but I've seen videos where woodworkers apply clear plastic packing tape to surfaces they did not want glue to stick to (for instance on bar clamps that would touch a glued-up panel). After the glue hardens the tape is peeled away.

Melamine is often used as a workbench surface for the same reason.

And wax paper is a good separating material as well.

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