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Raku Clay For Functional Teapot ?


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#1 Isculpt

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Posted 14 March 2014 - 11:25 AM

I use Highwater Raku clay for my sculptures because I like the workability of it and I occasionally pit fire.  I'd like to make a teapot that is both sculptural AND functional for an invitational teapot show.  After 2-days of hair-pulling frustration, I'm halfway through making a sculpture that gives every indication that it will be a functional teapot -- BUT it just occurred to me that raku clay may be inappropriate for a functional piece. If I fire it at its maximum temperature, cone 6, would it be non-porous? It wouldn't need to be every-day functional;  if the future buyer uses it at all, I'm sure it would be on very rare occasions because my teapots are not exactly ergonomically designed!  (see pix of last two failed attempts at function).  So -- do I switch to another clay or keep going with this one?

Jayne 

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#2 neilestrick

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Posted 14 March 2014 - 11:28 AM

You'll have to test it to be sure, but most raku clays I've used will go to cone 10, meaning they will be a little loose at cone 6. Not ideal, but functional for a teapot.


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#3 bciskepottery

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Posted 14 March 2014 - 12:15 PM

Highwater indicates its Raku clay has an absorbancy rate of 1.9% at cone 6. That's well within acceptable limits for functional work and comparable with a good stoneware clay body. Keep on working.

http://www.highwater...36&ParentCat=36

#4 Diane Puckett

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Posted 14 March 2014 - 12:37 PM

Beautiful work!
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#5 Bob Coyle

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Posted 14 March 2014 - 12:42 PM

The folks here at Raven Tree like your ravens



#6 Benzine

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Posted 14 March 2014 - 12:53 PM

Beautiful work!

 

 

Agreed, great pieces!


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#7 Isculpt

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Posted 14 March 2014 - 04:25 PM

Thanks so much for the information and the kind words. The current project is a boat with a Native American woman and a bear. Her braid is the handle, the bear's mouth will be the spout and the flat bowl in her lap will be the teapot lid, with a channel undeneath it that leads into the body of the boat. The bear will be treated like a fetish with a raven and a few other things "tied" to it. I'm not sure about this bear in the design but I've gone this far, might as well keep going. I still have a ways to go but thought I'd share an image of it under construction.

Thanks again, Jayne

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#8 Babs

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Posted 14 March 2014 - 05:01 PM

Love the bear, that is just what dogs do on our canoe, only some times they travel on one side, makes for a sore side and back for the paddler.

Great pieces.



#9 Isculpt

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Posted 14 March 2014 - 08:22 PM

Thanks, Babs. I actually envisioned a wolf there but the sculpture had ideas of its own....



#10 Babs

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Posted 14 March 2014 - 10:01 PM

WOlf might need a sleeker craft!!






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