acid resist

Lynn · Jan 28, 2002

I finally made the "aqua rega" when a high school teacher got me some nitric acid. Now I'm having trouble finding an acid resist. I tried candle wax but it leaked under the edge.
Anyone doing acid etching have a suggestion?
Thanks, Lynn

allan lanigan · Jan 28, 2002

You can make your own resist,1part asphaltum and 1part beeswax . Hope this helps...

Bruce Bump · Jan 28, 2002

I use finger nail polish stolen from the wife. It may not be easy to spread it on an entire blade though.

Kumdo · Jan 28, 2002

Ditto on the nail polish. I've used my airbrush to coat large areas, but it's dificult to keep the airbrush from clogging.

Jerry Hossom · Jan 28, 2002

I use Universal Ground from Graphic Chemical and Ink. Works great, but it cost more to ship than it does to buy, since it is a hazmat.

http://www.graphicchemical.net/

Ferret · Jan 28, 2002

Asphaltum aka bitumen paint is easy to find in hardware stores and cleans up easily with turps.

Bruce Evans · Jan 28, 2002

Finger nail polish for me,That is what I use all the time.
Bruce

raker · Jan 28, 2002

Jerry,
Do you use the hard or soft resist? Just wondering.

Jerry Hossom · Jan 28, 2002

Ray, I got the soft without knowing better. It works for what I need. I think the hard is better if you want to scribe through the resist with something like writing.

Lynn · Jan 29, 2002

Thanks for all the replys. You people are really helpfull!

Ferret, You said "Asphaltum aka bitumen paint is easy to find in hardware stores and cleans up easily with turps." Is that listed on the label as part of the make up?

Thanks all, Lynn