Turning Archive

Subject:
Re: has anyone run across this before...

David Walser
Gary -- As you suggested, the problem is likely caused by the enamel paint. There are lots of different types of enamel paint. The common characteristic of them is that enamel paint usually dries to a hard, smooth, glossy finish. It may be that the epoxy didn't stick well to such a surface. Or, as has bee suggested, the paint wasn't fully cured and was still wet below the surface.

You can test this by painting a surface with the paint, letting it dry, and gluing something to the painted surface with the epoxy you used. Then you can verify how well the epoxy bonds to the paint. If it doesn't stick well, you have a definitive answer. Otherwise, we're all just speculating.

One caution: It's been suggested that you mix the color into your epoxy. That can work, but it usually doesn't work very well. For it to work, the colored epoxy has to coat the entire surface of the tube after it's been inserted into the blank. Too often, the blank acts as a squeegee and parts of the tube are scraped clean of glue -- allowing the brass to shine through in spots. I'll grant that can be an interesting look, just not one I've ever intended.

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