I think I ruined a beautiful piece of sapele 1/4 inch plywood. It has an MDF core, so I used the cut settings that worked for 1/4 inch MDF. It did not cut through. So then I read a few posts about speed vs power, turned the board over, and recut.
Obviously this did not work. It literally burned the masking off, leaving a sticky black goo in its wake. And it still did not cut all the way through!
Here is what I have tried to clean it.
White vinegar - no effect
Alcohol - some of the goo comes off, most of it if I use a toothbrush
Dry Mr Clean Magic Eraser - minor char removed, major areas still look charred.
I am reprinting the file on birch ply, and will stain it mahogany to get the effect I was hoping for with the sapele.
Is there any hope for this poor piece of sapele ply?
I will also contact the place I bought it to ask for their recommended settings.
Thanks for taking a look and hopefully giving this poor wood a new life as something else.