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  1. #1
    Senior Member Jmadams13's Avatar
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    Best forced patina

    I removed the Ku finish from my Tojiro IDK 210 last night, and it is now reacting like a mofo. Onions, apples, pears are all turning black. Was gonna force a patina today to help with that. What would you recommend, mustard, viniger, beef blood...? Anyone ever try red wine?

    TIA ~joe

  2. #2
    Senior Member jayhay's Avatar
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    I saw a nice forced patina someone here did by chopping onions finely and wrapping the blade in it. Left a nice looking speckled patina. The onions just need to be freshly cut. I think it's in the patina thread. Good luck and welcome!

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    Dave Martell's Avatar
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    Joe, if the cladding under the KU finish is iron (vs steel) then you're screwed because that won't patina.

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    Senior Member Jmadams13's Avatar
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    Thanks for the input guys. I'll read through that thread again, to be honest I just looked at the pictures last time, lol

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    Senior Member Jmadams13's Avatar
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    Oh and btw, I just sliced a few pounds of tomatoes with it, and it is starting to develop nicely even on the surface that was under the KU I sanded off. Unfortunately I can't upload pics here directly from my iPhone or I'd show

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    Quote Originally Posted by Dave Martell View Post
    Joe, if the cladding under the KU finish is iron (vs steel) then you're screwed because that won't patina.
    Do you have an example of a knife with iron cladding that won't patina?

  7. #7
    much more awesomer
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    How do regular san-mai blades develop patina, then? I did not know there was a difference in the jigane other than the finish...
    Francesco
    Unskilled flunky

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    Dave Martell's Avatar
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    Quote Originally Posted by wsfarrell View Post
    Do you have an example of a knife with iron cladding that won't patina?

    Takeda

  9. #9


    Dave Martell's Avatar
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    Quote Originally Posted by SameGuy View Post
    How do regular san-mai blades develop patina, then? I did not know there was a difference in the jigane other than the finish...

    The core is high carbon and the cladding is mild steel

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