I have a sample coaster that has been lasered with a logo. Looked great initially, but the artwork is easily removed.
A bit of a scratch with a fingernail and the artwork comes off, like it was printed on. I took a video of this which I might be able to post here, but a bit worried.
I'm used to sandblasting which gives a deep white etch and appreciate that the laser is only going to 'mark' the surface rather than deeply etch it, but surely that's a permanent mark and not something that can be easily removed with a fingernail?
Id be concerned sending that to a customer as the slightest abrasion with a glass or coffee cup would soon render it useless.
any ideas what has gone wrong with it? I quite fancied a bit of slate work but I'll not bother if that's going to happen. I've seen everyone else's slate items and they look great, with a white image, this was a beige image to start with like a print.
its a sample supplied by a laser machine supplier, not something I've bodged up myself.
Cheers
dj
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Slate etched pattern 'coming off'
