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Wondering why the light and wiper knobs ? Never realized there was a need.
I have several switches with knobs that look like they are beyond restoration as well. And this is the first I’m seeing of you taking this project on.
Seems to me you need to use a release agent that can with stand heat. Similar how carbon and fiberglass is molded?Let's try the kiln now.
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cooling with both mold halves.
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Much better success but The glass is stuck and the mold is probably scrap...
Yeah I ended up using a Boron Nitride release agent. That helped get it out of the mold. but I am still having trouble with the annealing. I'll do some more research at a later date but for now it's on the back burner.Seems to me you need to use a release agent that can with stand heat. Similar how carbon and fiberglass is molded?
The link to the product I sent you has a UV stabilizer added so it should survive under the hood without yellowing for quite awhile. Apparently, yellowing is common with Epoxy based materials. Epoxy inherently is fuel and oil resistant. It's used in many products to to seal leaks in fuel tanks. I'm sure there are similar products available as well.Thanks. I'll look into that. I already have experience with casting silicone molds so it shouldn't be too difficult. May have to order a sample, dunk it in gasoline and see how it reacts over some time.