Sublimation coating removal
August 14, 2020
Q. We are glass etchers, using abrasive blasting. We would like to know if it is possible to remove the white sublimation coating from the back of a glass cutting board so we can surface etch a design on the glass. Would it involve heat or chemicals or both?Bruce & Lina Larson
botchacaloops.com - Virginia City, Nevada USA
A. Hi. Not heat.
I am not a sublimater but my understanding is that the sublimation coating is probably white automotive primer followed by a clear coat. If the cutting board is white glass, rather than clear, the coating may be automotive clear coat only. Or it might be white primer only. So it's removed with solvents in any case.
Aircraft stripper (methylene chloride) will remove virtually any paint, but is horribly noxious, toxic stuff -- so something milder should be tried. I think if you google "remove auto clear coat" or "remove auto paint" you'll find both purpose-made solvents and rather clear instructions and videos. Good luck.
Luck & Regards,
Ted Mooney, P.E. RET
finishing.com - Pine Beach, New Jersey
Aloha -- an idea worth spreading