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Fit & Finish Fit and Finish = the difference in "good art" and "fine art." Join in, as we discuss the fine art of finish and embellishment.

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Old 07-28-2014, 08:08 AM
irishknifeworks irishknifeworks is offline
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Acid Etching Question

I have a question about acid etched finishes such as vinegar, mustard, lime juice, ferric chloride, etc. To what final grit should I hand rub the blade before applying the acid etch? And would it be the same preparation for bluing as well?
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Old 07-28-2014, 10:25 AM
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Wazukie Wazukie is offline
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It really depends on what you are trying to achieve with the etch. I go to about 400 grit before I etch. I use a 50/50 mixture of ferric chloride and water and let soak in the mixture for 45 min.

This the the last one I etched.




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Old 07-28-2014, 11:23 AM
irishknifeworks irishknifeworks is offline
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That's exactly what I want. How did you do the art resist. Stickers? Free hand and nail polish?
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Old 07-28-2014, 03:04 PM
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The bear tracks are done free hand with a sharpie. The bear on the other side is done using a toner transfer method.


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Old 08-01-2014, 06:30 PM
donnymac250 donnymac250 is offline
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Quote:
Originally Posted by Wazukie View Post
The bear tracks are done free hand with a sharpie. The bear on the other side is done using a toner transfer method.
nice etching , i did not know a sharpie would resist acid .
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Old 08-01-2014, 06:35 PM
donnymac250 donnymac250 is offline
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Quote:
Originally Posted by irishknifeworks View Post
I have a question about acid etched finishes such as vinegar, mustard, lime juice, ferric chloride, etc. To what final grit should I hand rub the blade before applying the acid etch? And would it be the same preparation for bluing as well?
i use muriatic acid , its very cheap and available at most hardware stores and pool suppliers .
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Old 12-06-2014, 08:17 PM
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I like to use 1/3 ferric chloride, 1/3 white vinegar, 1/3 water. Soak five minutes, take out and clean thoroughly and soak five to ten minutes depending on the etch I'm trying to achieve.

Been doing it this way for years works like a champ for me.


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Old 02-17-2016, 07:02 PM
BIGJEEPMAN BIGJEEPMAN is offline
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Donnymac How long do you soak in muriatic acid ? Is it a dark looking blade?
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Old 02-18-2016, 09:53 AM
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Andrew Garrett Andrew Garrett is offline
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I bring mine to a fair mirror polish on the buffing wheel before I etch.

A new sharpie is a great ground on a polished surface as you can refine the design with a toopick at the edges.
An example of that technique:


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