Sat Dec 07, 2013 6:31 pm
Taz posted a pic in this thread of an etched Tanaka Sekiso: best-looking-gyuto-in-class-t4457.html
Shaun offers a Hiromoto thinned and etched on the webstore: http://www.chefknivestogo.com/feuphietandt.html
How you do that?
Type of acid, duration, surface prep, etc?
Sat Dec 07, 2013 7:52 pm
Absolutely I'd be happy to share the process with you, give me a few to get a couple of picture together.
Sat Dec 07, 2013 10:25 pm
CEDAR <> Start sourcing your Ferric Chloride now...
Sat Dec 07, 2013 10:36 pm
Melampus wrote:CEDAR <> Start sourcing your Ferric Chloride now...
its pretty easy get. Radio Shack carries it.
Sat Dec 07, 2013 11:06 pm
kalaeb wrote:"its pretty easy get. Radio Shack carries it."
That's what's been said, but I can't find it at my local Shacks.
Sun Dec 08, 2013 5:07 am
I prepped the surface using Norton non woven abrasive pads (green, maroon and grey) to get a nice, clean satin finish on the blade and remove old patina so it will etch evenly. From there, I washed thoroughly in hot water and soap and then dried thoroughly using paper towels. Do not touch the blade with your hands since they will redeposit oils onto the blade. Very important to have a clean/greaseless/oil free surface!!
I mix the Acid and water (Always add acid!!!!) in a large plastic container and dunk in for a minute or two, remove and look to make sure it's even. You can go longer, but the cladding will take on a galvanized type look if you leave it in too long. The mixture doesn't have to be very strong; you want the solution somewhat weak so it will etch the metals slowly and etch the metals differently. If it's very strong, it won't show much contrast. If the etch is even, go inside, wash off the blade and scrub it to remove any loose oxidization and you can repeat the etch a few times until you get the look/contrast you want. Once it's done, I do a final washing and then wipe completely dry and let sit overnight before using.
Sun Dec 08, 2013 5:42 pm
Hey Taz. Does the etched blade leave any residue on food you are cutting? Does it stay pretty stable if you are good about immediately cleaning/drying your knife?
Sun Dec 08, 2013 5:44 pm
I haven't noticed any residue on the food. One the Tanaka, I tried coating it with mineral oil and letting it sit for a few minutes then wiping it off, let sit overnight and then wash the next morning. Didn't seem to make a difference. I usually wait a bit to use the knife after etching to let the metal kinda rest. It seems pretty stable, but you can see the iridescent colors of the patina on the blade when you hold the blade at different angles.
Thu Dec 12, 2013 6:26 am
Does any acid work, is there something unique about Ferric Chloride?
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