Matsuyani, Japanese pine rosin pitch.

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Re: Matsuyani, Japanese pine rosin pitch.

Postby Doug Sanders » Mon Mar 23, 2015 8:01 pm

I can't think of a way to get the extra oil out, unless you can heat the mixture until the oil separates? So, maybe start again instead of adding more dry ingredients.

50ml oil= 46g oil
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Re: Matsuyani, Japanese pine rosin pitch.

Postby Andrey N » Wed Mar 25, 2015 9:15 am

Please describe, what should be the resin after cooling ? What's it like in consistency ?
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Re: Matsuyani, Japanese pine rosin pitch.

Postby Ford » Wed Mar 25, 2015 2:35 pm

It should be hard, hard enough so that it will break when hit with a hammer.
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Re: Matsuyani, Japanese pine rosin pitch.

Postby Andrey N » Wed Mar 25, 2015 3:33 pm

Ford wrote:It should be hard, hard enough so that it will break when hit with a hammer.


Sorry for the amateur question, since I'm just starting to learn this technique, if it breaks on impact hammer then how to operate in the technique uchidashi ?
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Re: Matsuyani, Japanese pine rosin pitch.

Postby Ford » Wed Mar 25, 2015 4:51 pm

for uchidashi you must work fast and while the pitch is still warm enough to move.
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Re: Matsuyani, Japanese pine rosin pitch.

Postby Travis C » Sun Jun 21, 2015 2:21 am

Thanks for the recipe, and coloring tips. I'm now nearly in the game!
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Re: Matsuyani, Japanese pine rosin pitch.

Postby Alfred C » Tue May 02, 2017 8:33 pm

Thanks for the info Ford~ Pitch came out fantastic. On to chisel making~
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Pine gum rosin, kaolin clay, and charcoal float powder.
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Finally started melting.
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I added the clay little by little. At first, I used a teaspoon of the charcoal and it went pitch black. I eventually used 50ml of charcoal for good measure.
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Done!
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Re: Matsuyani, Japanese pine rosin pitch.

Postby Steve » Sat May 06, 2017 12:51 am

Well done! Looks great. (make some tsuba,...)
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Re: Matsuyani, Japanese pine rosin pitch.

Postby Ford » Sat May 06, 2017 1:32 am

Alfred

I eventually used 50ml of charcoal for good measure.


oh dear. :lipssealed...

For everyone else; the recipe specifies a teaspoon (15ml). THAT is the 'good measure', the exact amount needed.
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