Traffolyte (2ply Acrylic) Colour bleed when engraving white on black in particular

Hello guys

I have been engraving small traffolyte labels for a few months.
I seem to have a bit of a problem when engraving white on black.

After cleaning up the piece, after about 1-2 hours, the black looks like a grey.
It’s doesn’t seem to happen with any other colour combinations.

Does anyone have any advice to prevent this or, improve the darkness of the black.



Might post a photo of the piece and tell us what you expect (photo if you have one)…

Which OMTech to you own…power wise?

Upgraded K40?


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