Would you believe that plaster and alcohol will engrave metal?

laser-metal-marking
gplus
(0.45 NACL) #1

Would you believe that plaster and alcohol will engrave metal?

(Ned Hill) #2

Hmmm think I’ve heard this before but never looked into it. The plaster is mostly Calcium sulfate so you are probably forming a “hot” black oxide (Fe3O4) on the stainless steel surface.

(Lee Studley) #3

Good to know!

(Akai Coit) #4

This looks very interesting. I’ll have to do more research on this!