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Etching tool steel


#1

I have ferric chloride to etch tool steel to make patterns for
roller printing designs on sterling. Does anyone have an idea as to
how much ferric chloride to water I should use? And can I use the
same pnp transfer system that one would use with ferric nitrate on
silver? Any help would be greatly appreciated. Thanks, Vince Eugene, OR.


#2
    I have ferric chloride to etch tool steel to make patterns for
roller printing designs on sterling.  Does anyone have an idea as
to how much ferric chloride to water I should use?  And can I use
the same pnp transfer system that one would use with ferric nitrate
on silver? 

Start with 1 cup crystals to 4 cups distilled water, and adjust up
or down accordingly. In the absence of a hydrometer, you’ll have to
have some test strips for figuring out if you need more ferric or
more water. PnP works fine for steel and FeCl2.


#3

I want to etch both sides of OS-1 oil hardening ground flat stock to
make embossing plates. Can I do it this electrically. I believe I can
use ferric chloride as an etchant. Can a salt etch work? I would
appreciate any tips and advice since this is the first time I am
going to do this.

Thanks, Vince LaRochelle, Oakridge, OR.