Surface protection, suitable for laser engrave, paint resistant, but easily removable

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I found a set of ceramic coasters at a craft shop, and tried putting the laser to the surface. I was able to get a very nice engrave, but since the tile is dark, the engrave is subtle.

This got me thinking that laying a little bit of acrylic paint into the groove might cause the etch to pop a little which it did, but the unetched surface was just porous enough that it picked up a slight haze in spots from the paint.

What’s a good method to precoat the surface…possibly an acrylic coating prior to the engrave?

ideas?

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have you tried to see if any tapes will adhere to it such as blue or masking tapes?

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I have some wide blue tape I’ll try tonight…my issue is that the image is so detailed, I’ll be picking bits and pieces of tape out for a week.

fwiw, the muck at the top was because I’d started a engrave using an adhesive paper as a mask…didn’t turn out like i planned, so I flipped it and started it on the raw surface.

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This is where Gorilla Tape (the wide black roll that looks like duct tape) is your friend. It will likely remove all the bits in one or two goes.

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If it’s a ceramic tile I suppose you could soak it in water or cleaning fluid. That should soften paper masking so you can scrub it off. I’d try pulling it off with tape first like @cynd11 suggested though.