Saturday, January 5, 2019

Would you believe that plaster and alcohol will engrave metal?

Would you believe that plaster and alcohol will engrave metal?

https://frankieflood.blogspot.com/2014/12/cermark-alternative.html
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2 comments:

  1. Ned HillJanuary 5, 2019 at 1:45 PM

    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.

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  2. Lee StudleyJanuary 5, 2019 at 8:11 PM

    Good to know!

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