Has anyone tried engraving into a regular paper mate pink eraser?

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Pencil erasers have grit added to them. I’m not sure what is in the grit, let’s see what google says. I suspect fine mineral grit. BRB.

Generally, erasers that contain silica grit and rubber

(source: https://createlet.com/best-pencil-erasers/#:~:text=Generally%2C%20erasers%20that%20contain%20silica,in%20tandem%20with%20colored%20pencils)

So essentially it’s rubber with sand/glass in it. Sand doesn’t laser cleanly, and some erasers are strange polymers with unknown additives. While engraving a pink pencil eraser might work, I’m with @dklgood and would stick with laserable stamp rubber – not worth the risk to find out there’s something harmful added to the eraser.

In case you haven’t seen this, check out #4. It’s some general guidance on materials that can be dangerous to laser:

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