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 Post subject: Hot vinegar etch of a Tanaka Sekiso 240mm gyuto
PostPosted: Mon Oct 06, 2014 2:07 am 
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Joined: Wed Jan 30, 2013 8:06 am
Posts: 387
Location: Peoples Republic of Massachusetts
Unfortunately I didn't take a before pic but it was VERY shiny and very little contrast anywhere but the hagane which was pretty dark. I did 3 sets of 10 minutes or so using almost boiling hot white distilled vinegar, washing between each 'bath'. At the end, I washed with soap, then BKF, then soap again. I like the contrast in the cladding but its pretty dull overall. Now I need to sharpen it :P

Image

Image

Image

Chris


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 Post subject: Re: Hot vinegar etch of a Tanaka Sekiso 240mm gyuto
PostPosted: Mon Oct 06, 2014 2:44 am 

Joined: Thu Jan 02, 2014 6:00 am
Posts: 678
Interesting, remind me a lot of the Kamo R2 knives.


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 Post subject: Re: Hot vinegar etch of a Tanaka Sekiso 240mm gyuto
PostPosted: Mon Oct 06, 2014 12:09 pm 

Joined: Thu May 24, 2012 6:20 am
Posts: 2068
Interesting.

I have thought about trying this a few times....never worked up the guts to boil a knife.


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 Post subject: Re: Hot vinegar etch of a Tanaka Sekiso 240mm gyuto
PostPosted: Mon Oct 06, 2014 12:35 pm 
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Joined: Wed Aug 07, 2013 12:44 am
Posts: 1116
It does resemble the Kamo now, nice job. Thanks for sharing.



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 Post subject: Re: Hot vinegar etch of a Tanaka Sekiso 240mm gyuto
PostPosted: Mon Oct 06, 2014 8:50 pm 
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Joined: Wed Jan 30, 2013 8:06 am
Posts: 387
Location: Peoples Republic of Massachusetts
cedarhouse wrote:Interesting.

I have thought about trying this a few times....never worked up the guts to boil a knife.


LOL! I boiled the vinegar and poured it into a tupperware spaghetti holder that I marked with the height of the knife. After each 'bath', I'd take the knife out and re-heat the vinegar while I was cleaning the knife. The biggest surprise was the reaction between the vinegar and the knife. It would bubble pretty vigorously (think alka seltzer).

Next time I'll use a little more forethought and take a before pic and maybe a quick video of the reaction. All in all, it was an interesting experiment and only cost about $2.00 and the expense of my kitchen smelling terrible for an hour or so :P

Chris


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 Post subject: Re: Hot vinegar etch of a Tanaka Sekiso 240mm gyuto
PostPosted: Tue Oct 07, 2014 3:40 am 
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Joined: Thu Nov 22, 2012 4:17 am
Posts: 4573
Looks good Chris, you did a good job.



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 Post subject: Re: Hot vinegar etch of a Tanaka Sekiso 240mm gyuto
PostPosted: Wed Oct 08, 2014 9:49 am 
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Joined: Thu Apr 26, 2012 5:13 pm
Posts: 2925
Location: CT
Looks nice!!


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 Post subject: Re: Hot vinegar etch of a Tanaka Sekiso 240mm gyuto
PostPosted: Fri Oct 10, 2014 5:53 am 
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Joined: Wed Sep 26, 2012 8:11 pm
Posts: 320
Location: NE
lookin good!


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 Post subject: Re: Hot vinegar etch of a Tanaka Sekiso 240mm gyuto
PostPosted: Sat Oct 11, 2014 5:59 pm 

Joined: Tue Jan 21, 2014 6:56 pm
Posts: 322
It is the camera, my monitor or is the blade brownish green now?


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 Post subject: Re: Hot vinegar etch of a Tanaka Sekiso 240mm gyuto
PostPosted: Sat Oct 11, 2014 6:51 pm 

Joined: Thu Aug 16, 2012 10:03 am
Posts: 227
Panko wrote:It is the camera, my monitor or is the blade brownish green now?


+1 Good question


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