Louis Katz on wed 25 may 05
Hello Clayart
I have received a couple of emails from a
Dr. Narayan P. Singhania from India=A0. His website is=20
www.ricehuskash.com. He is looking for ways to sell or ways to use rice=20=
hull (husk) ash. I don't know if there is a big enough market in the=20
US to make it worth anyones trouble but said I would post his info to=20
the list. If you are interested in importing quatity you might give him=20=
a shout at:
np_singhania@yahoo.com
I also told him of this "local" source.
Industrial Minerals
Co., 7268 Frasinetti Road, Sacramento, CA 95828, TEL 916-383-2811, FAX
916-383-8741.
Item no. 477 Rice Hull Ash, 50# minimum order costs $ 17.00, box
charge $ shipping
and gave him a recipe for Nuka Glaze.
Louis=
John Britt on sun 14 may 06
Nan,
You can get rice hull ash from:
Industrial Minerals Co.
916-383-2811
It goes for $17.00 for 50 pounds, you pay the shipping and handling.
Hope it helps,
John Britt
www.johnbrittpottery.com
Suchman ceramics on fri 29 aug 08
where can I buy rice hull ash? Or can I? I realize it's been asked
before, yet I'm asking again.
--
-e-in-o'side-
pagan by nature
Sailoor47@AOL.COM on tue 3 jan 12
I may be mistaking, but according to what I have learned, rice hulls are
almost all silica.....with a melting point far above even the hottest wood
firing.
We sometimes use rice hulls under pots as a substitute for wadding and it
remains unmelted at cone 12-13. I have done this for years with 100%
success.
Is it possible that you are referring to "rice straw ash"...since this
would be an entirely different matter?
I had a bag of this stuff years ago, burned it, and used the ash for a
glaze similar to Nuka. It was terrific.
If, indeed, this is what you need, I, too, wish I could find a reliable
source. I am quite certain that you will have trouble burning rice hulls.
Bruce Bowers
_www.bowerswoodfireandpics.com_ (http://www.bowerswoodfireandpics.com)
Lee on tue 3 jan 12
On Tue, Jan 3, 2012 at 7:02 AM, wrote:
>
> We sometimes use rice hulls under pots as a substitute for wadding and it
> remains unmelted at cone 12-13. I have done this for years with 100%
> success.
>
It is used in wadding and as insulating refractory for wood kilns.
Shimaoka covered the floor of his Yohen chamber with a wet mixture of it.
As an apprentice, It was often my job to prepare it.
>
> Is it possible that you are referring to "rice straw ash"...since this
> would be an entirely different matter?
> I had a bag of this stuff years ago, burned it, and used the ash for a
> glaze similar to Nuka. It was terrific.
>
Rice hull ash is used in Nuka glaze. Warabai/Rice Straw ash, is used in
base glazes.
I have had good luck using this glaze (to get more variation [drama],
substitute woodash for the whiting or half of the whiting):
*Phil Roger's Synthetic Nuka
Potspar 35.6
Whiting 21.8
Talc 2
Bone Ash 2
Ball Clay 5.9
Flint 29.7
ferro3134 3 (I have subbed wood ash) *
See photo here: Nuka over
Tenmoku=3D
pg>
http://images21.fotki.com/v760/photos/1/199764/814063/AUT_0020-vi.jpg
--=3D20
--
Lee Love in Minneapolis
http://mingeisota.blogspot.com/
"Ta tIr na n-=3DF3g ar chul an tI=3D97tIr dlainn trina ch=3DE9ile"=3D97tha=
t is, "T=3D
he land
of eternal youth is behind the house, a beautiful land fluent within
itself." -- John O'Donohue
Lee on tue 3 jan 12
Link below did not work. See dramatic effect here (I still own the pot):
http://public.fotki.com/togeika/pots_from_mashiko/aut_0020.html
On Tue, Jan 3, 2012 at 9:08 AM, Lee wrote:
>
>
> I have had good luck using this glaze (to get more variation [drama],
> substitute woodash for the whiting or half of the whiting):
>
> *Phil Roger's Synthetic Nuka
>
> Potspar 35.6
> Whiting 21.8
> Talc 2
> Bone Ash 2
> Ball Clay 5.9
> Flint 29.7
> ferro3134 3 (I have subbed wood ash) *
>
>
>
>
> --
Lee Love in Minneapolis
http://mingeisota.blogspot.com/
"Ta tIr na n-=3DF3g ar chul an tI=3D97tIr dlainn trina ch=3DE9ile"=3D97tha=
t is, "T=3D
he land
of eternal youth is behind the house, a beautiful land fluent within
itself." -- John O'Donohue
Lee on wed 4 jan 12
On Tue, Jan 3, 2012 at 6:16 PM, Steve Mills
wrote:
> You've nailed it Bruce; I checked my notes and it is Rice Straw Ash!
>
Steve, I know some places use warabai (straw ash), but I personally helped
prepare ricehull ash for Shimaoka's nuka glaze. I also used it in my
own. I can't find my notebook with the recipe.
--
Lee Love in Minneapolis
http://mingeisota.blogspot.com/
"Ta tIr na n-=3DF3g ar chul an tI=3D97tIr dlainn trina ch=3DE9ile"=3D97tha=
t is, "T=3D
he land
of eternal youth is behind the house, a beautiful land fluent within
itself." -- John O'Donohue
Lee on wed 4 jan 12
On Tue, Jan 3, 2012 at 6:21 PM, Steve Mills
wrote:
>
> Lee, the recipe I have has only 3 components: Silica 40, Rice Straw Ash 5=
=3D
0, Feldspar 60.
> Got this from a (translated) Japanese Glaze website.
>
You could probably use ricestraw ash by adding silica, but I agree
with Mike, this is way too much silica.
Check out Roger's synthetic nuka below that I linked to earlier. =3DA0 It
gives you an idea about how much silica you need. Roger's worked
from this "Western" simple recipe, but using a synthetic Nuka ash:
Ash 50
Feldspar 60
Quartz 40
*Phil Roger's Synthetic Nuka
Potspar 35.6
Whiting 21.8
Talc 2
Bone Ash 2
Ball Clay 5.9
Flint 29.7
ferro3134 3
add 4 to 5% for Seiji Green
--
--
=3DA0Lee Love in Minneapolis
http://mingeisota.blogspot.com/
=3DA0"Ta tIr na n-=3DF3g ar chul an tI=3D97tIr dlainn trina ch=3DE9ile"=3D9=
7that is, =3D
"The
land of eternal youth is behind the house, a beautiful land fluent
within itself." -- John O'Donohue
Mike on wed 4 jan 12
Lee's right. It is called Nuka because that is what nuka is: powdered
rice hulls. I don't remember the numbers, but I think the rice hulls
have 90+ percent silica, while rice straw is lower. They make similar
glazes depending on how much wood ash and feldspar you add. Here, rice
straw ash is about the most expensive ash you can buy, if you don't burn
your own. For tweaking recipes, I often just sub with pure silica
because it is way cheaper. If the bulk of the silica is in the form of
straw, then tweaking the melt with a little silica works out fine.
Also, you don't necessarily need rice straw ash. You could use barley
straw ash, buckwheat ash, or wheat straw ash to similar effect. Your
mileage may vary of course.
Mike
Mike
in Taku, Japan
http://karatsupots.com
http://karatsupots.blogspot.com
Workshop in Taku 2012: The Simple Teabowl, May 12 - 18
http://karatsupots.com/workshop2012/2012home.html
http://workshopintaku2012.blogspot.com/
(2012/01/04 15:29), Lee wrote:
> On Tue, Jan 3, 2012 at 6:16 PM, Steve Mills
> wrote:
>
>> You've nailed it Bruce; I checked my notes and it is Rice Straw Ash!
>>
> Steve, I know some places use warabai (straw ash), but I personally helpe=
d
> prepare ricehull ash for Shimaoka's nuka glaze. I also used it in my
> own. I can't find my notebook with the recipe.
>
>
> --
> Lee Love in Minneapolis
> http://mingeisota.blogspot.com/
>
> "Ta tIr na n-=C3=B3g ar chul an tI=E2=80=94tIr dlainn trina ch=C3=A9ile=
"=E2=80=94that is, "The land
> of eternal youth is behind the house, a beautiful land fluent within
> itself." -- John O'Donohue
>
Paul Herman on wed 4 jan 12
Hello All,
I think almost all grasses produce ash high in silica. A friend up in
NE California uses a grass that grows on his ranch, Great Basin
perennial rye grass, to make his nuka glaze. It's a bunch grass that
gets about 5 or 6 feet tall, native to this area. It makes a nice
white nuka.
There is a plant that grows here at my place called horsetail. It
produces very high silica ash. Using it in a nuke glaze is on my long
list of things to try.
Good glazing,
Paul Herman
Great Basin Pottery
Doyle, California US
www.greatbasinpottery.com/
On Jan 4, 2012, at 6:20 AM, Mike wrote:
> Lee's right. It is called Nuka because that is what nuka is: powdered
> rice hulls. I don't remember the numbers, but I think the rice hulls
> have 90+ percent silica, while rice straw is lower. They make similar
> glazes depending on how much wood ash and feldspar you add. Here, rice
> straw ash is about the most expensive ash you can buy, if you don't
> burn
> your own. For tweaking recipes, I often just sub with pure silica
> because it is way cheaper. If the bulk of the silica is in the form of
> straw, then tweaking the melt with a little silica works out fine.
>
> Also, you don't necessarily need rice straw ash. You could use barley
> straw ash, buckwheat ash, or wheat straw ash to similar effect. Your
> mileage may vary of course.
>
> Mike
>
> Mike
> in Taku, Japan
Lee on wed 4 jan 12
On Wed, Jan 4, 2012 at 8:20 AM, Mike wrote:
> Also, you don't necessarily need rice straw ash. You could use barley
> straw ash, buckwheat ash, or wheat straw ash to similar effect. Your
> mileage may vary of course.
I helped prepare Nukabai (ricehull ash) for my teacher's Nuka
glaze. It would stink pretty good in the summer. I could get
waribai (rice straw ash) from a farmer who was a student of Jean's. I
only experimented, because none of my glazes required it.
In Mashiko, I ended up using the synthetic recipe I have
shared here (or mixed it with Maskiko Nuka), because it applied
better. It is a little anemic (too pure white) unless you replace
part or all of the whiting with wood ash.
Here in Minneapolis, I have Mashiko Kaki Stone for glaze,
given to me by Taeko Tanaka (she is the person who established the
relationship between Minnesota and Mashiko, by introducing Warren
MacKenzie to Tatsuzo Shimaoka, and later Randy Johnson to Shimaoka.)
Traditionally, you calcinate half of the stone for fitting purposes.
Instead, I mix half of Reeve's synthetic with the Mashiko Stone. The
benefit is that the glaze applies better and does not settle back into
stone when you stop stirring. At my teacher's workshop, when Kaki
was being used to glaze, one apprentice was appointed the Kaki
stirrer.
--
=3DA0Lee Love in Minneapolis
http://mingeisota.blogspot.com/
=3DA0"Ta tIr na n-=3DF3g ar chul an tI=3D97tIr dlainn trina ch=3DE9ile"=3D9=
7that is, =3D
"The
land of eternal youth is behind the house, a beautiful land fluent
within itself." -- John O'Donohue
Edouard Bastarache on wed 4 jan 12
Nuka Glaze (A nice glossy fat grey)
Mixed wood ash 7.84
(Ash Berhens)
Custer feldspar 73.53
Nepheline syenite 9.81
EPK 4.9
Silica 3.82
Bentonite 2
Tin oxide 0.98
Na2O 0.25 Al2O3 0.82 SiO2 5.07
K2O 0.41 P2O5 0.02
MgO 0.02 TiO2 0.00
CaO 0.32 Fe2O3 0.01
SnO2 0.03
Alumina:Silica ratio is 1.00:6.16
Neutral:Acid ratio is 1.00:6.24
Alk:Neut:Acid ratio is 1.00:0.82:5.14
Expansion: 80.8 x 10e-7 per degree C
N.B.Ash Berhens :
Richard Berhens, a famous glaze chemist, proposed a mixture of raw material=
s
to substitute for wood ash.
Richard Berhens, un c=C3=A9l=C3=A8bre chimiste c=C3=A9ramique, a propos=C3=
=A9 un m=C3=A9lange de
mat=C3=A9riaux de base pouvant =C3=AAtre un substitut de la cendre de bois.
Richard Berhens, fama glazur=C4=A5emiisto, proponis miksa=C4=B5on de krudaj=
materialoj
por anstata=C5=ADigi por lignocindro.
This substitution has the following analysis.
Cette substitution a l'analyse suivante
Tio anstata=C5=ADo havas la sekvantan analizon :
Na2O 0.01 Al2O3 0.13 SiO2 0.47
K2O 0.04 P2O5 0.07
MgO 0.05 TiO2 0.01
CaO 0.90 Fe2O3 0.02
Alumina:Silica ratio is 1.00:3.72
Neutral:Acid ratio is 1.00:4.44
Alk:Neut:Acid ratio is 1.00:0.13:0.56
Expansion: 107.2 x 10e-7 per degree C
Gis,
Edouard Bastarache
Spertesperantisto
Sorel-Tracy
Quebec
http://www.flickr.com/photos/30058682@N00/
http://edouardbastarache.blogspot.com/
http://smart2000.pagesperso-orange.fr/bloggs_edouard.htm
http://www.facebook.com/edouard.bastarache
Steve Mills on wed 4 jan 12
I use it with different (single type)=3D20
wood ashes.=3D20
It matures at cone 9 over 10 half way
in my Gas Kiln.=3D20
The results are excellent, subtle, and=3D20
mainly glossy except English Elm which=3D20
Is a satin matt.=3D20
I don't have any Rice Straw ash.=3D20
Steve M
Steve Mills
Bath
UK
Sent from my iPod
On 4 Jan 2012, at 01:37, Mike wrote:
> That is a whole lotta silica in that recipe, not much flux in there eithe=
r=3D
, at what temp is it supposed to mature?
> Mike
> in Taku, Japan
>=3D20
> http://karatsupots.com
> http://karatsupots.blogspot.com
>=3D20
> Workshop in Taku 2012: The Simple Teabowl, May 12 - 18
>=3D20
> http://karatsupots.com/workshop2012/2012home.html
>=3D20
> http://workshopintaku2012.blogspot.com/
>=3D20
> (2012/01/04 9:21), Steve Mills wrote:
>>=3D20
>> Lee, the recipe I have has only 3 components: Silica 40, Rice Straw Ash =
5=3D
0, Feldspar 60.
>> Got this from a (translated) Japanese Glaze website.
>>=3D20
>> ??
>>=3D20
>> Steve M
>>=3D20
>>=3D20
>> Steve Mills
>> Bath
>> UK
>> Sent from my iPod
>>=3D20
>> On 3 Jan 2012, at 15:08, Lee wrote:
>>=3D20
>>> On Tue, Jan 3, 2012 at 7:02 AM, wrote:
>>>=3D20
>>>> We sometimes use rice hulls under pots as a substitute for wadding and=
i=3D
t
>>>> remains unmelted at cone 12-13. I have done this for years with 100%
>>>> success.
>>>>=3D20
>>> It is used in wadding and as insulating refractory for wood kilns.
>>> Shimaoka covered the floor of his Yohen chamber with a wet mixture of i=
t=3D
.
>>> As an apprentice, It was often my job to prepare it.
>>>=3D20
>>>> Is it possible that you are referring to "rice straw ash"...since thi=
s=3D
>>>> would be an entirely different matter?
>>>> I had a bag of this stuff years ago, burned it, and used the ash for a
>>>> glaze similar to Nuka. It was terrific.
>>>>=3D20
>>> Rice hull ash is used in Nuka glaze. Warabai/Rice Straw ash, is used =
i=3D
n
>>> base glazes.
>>>=3D20
>>> I have had good luck using this glaze (to get more variation [drama],
>>> substitute woodash for the whiting or half of the whiting):
>>>=3D20
>>> *Phil Roger's Synthetic Nuka
>>>=3D20
>>> Potspar 35.6
>>> Whiting 21.8
>>> Talc 2
>>> Bone Ash 2
>>> Ball Clay 5.9
>>> Flint 29.7
>>> ferro3134 3 (I have subbed wood ash) *
>>>=3D20
>>> See photo here: Nuka over
>>> Tenmokuv=3D
i.jpg>
>>> http://images21.fotki.com/v760/photos/1/199764/814063/AUT_0020-vi.jpg
>>> 2=3D
0>
>>>=3D20
>>>=3D20
>>> --=3D20
>>> --
>>> Lee Love in Minneapolis
>>> http://mingeisota.blogspot.com/
>>>=3D20
>>> "Ta tIr na n-=3DC3=3DB3g ar chul an tI=3DE2=3D80=3D94tIr dlainn trina c=
h=3DC3=3DA9ile"=3D
=3DE2=3D80=3D94that is, "The land
>>> of eternal youth is behind the house, a beautiful land fluent within
>>> itself." -- John O'Donohue
>>=3D20
>=3D20
Steve Mills on wed 4 jan 12
The "50,60,40" recipe is what I'm using.=3D20
Steve M
Steve Mills
Bath
UK
Sent from my iPod
On 4 Jan 2012, at 06:38, Lee wrote:
> On Tue, Jan 3, 2012 at 6:21 PM, Steve Mills
> wrote:
>>=3D20
>> Lee, the recipe I have has only 3 components: Silica 40, Rice Straw Ash =
5=3D
0, Feldspar 60.
>> Got this from a (translated) Japanese Glaze website.
>>=3D20
>=3D20
> You could probably use ricestraw ash by adding silica, but I agree
> with Mike, this is way too much silica.
>=3D20
> Check out Roger's synthetic nuka below that I linked to earlier. It
> gives you an idea about how much silica you need. Roger's worked
> from this "Western" simple recipe, but using a synthetic Nuka ash:
>=3D20
> Ash 50
> Feldspar 60
> Quartz 40
>=3D20
> *Phil Roger's Synthetic Nuka
>=3D20
> Potspar 35.6
> Whiting 21.8
> Talc 2
> Bone Ash 2
> Ball Clay 5.9
> Flint 29.7
> ferro3134 3
>=3D20
> add 4 to 5% for Seiji Green
>=3D20
>=3D20
>=3D20
> --
> --
> Lee Love in Minneapolis
> http://mingeisota.blogspot.com/
>=3D20
> "Ta tIr na n-=3DC3=3DB3g ar chul an tI=3DE2=3D80=3D94tIr dlainn trina ch=
=3DC3=3DA9ile"=3DE2=3D
=3D80=3D94that is, "The
> land of eternal youth is behind the house, a beautiful land fluent
> within itself." -- John O'Donohue
Steve Mills on wed 4 jan 12
You've nailed it Bruce; I checked my notes and it is Rice Straw Ash!
Steve M
Steve Mills
Bath
UK
Sent from my iPod
On 3 Jan 2012, at 13:02, Sailoor47@AOL.COM wrote:
> I may be mistaking, but according to what I have learned, rice hulls are
> almost all silica.....with a melting point far above even the hottest woo=
d
> firing.
>
> We sometimes use rice hulls under pots as a substitute for wadding and it
> remains unmelted at cone 12-13. I have done this for years with 100%
> success.
>
> Is it possible that you are referring to "rice straw ash"...since this
> would be an entirely different matter?
> I had a bag of this stuff years ago, burned it, and used the ash for a
> glaze similar to Nuka. It was terrific.
>
> If, indeed, this is what you need, I, too, wish I could find a reliable
> source. I am quite certain that you will have trouble burning rice hull=
s.
>
> Bruce Bowers
> _www.bowerswoodfireandpics.com_ (http://www.bowerswoodfireandpics.com)
Steve Mills on wed 4 jan 12
Lee, the recipe I have has only 3 components: Silica 40, Rice Straw Ash 50,=
=3D
Feldspar 60.
Got this from a (translated) Japanese Glaze website.
??
Steve M
Steve Mills
Bath
UK
Sent from my iPod
On 3 Jan 2012, at 15:08, Lee wrote:
> On Tue, Jan 3, 2012 at 7:02 AM, wrote:
>=3D20
>>=3D20
>> We sometimes use rice hulls under pots as a substitute for wadding and i=
t=3D
>> remains unmelted at cone 12-13. I have done this for years with 100%
>> success.
>>=3D20
>=3D20
> It is used in wadding and as insulating refractory for wood kilns.
> Shimaoka covered the floor of his Yohen chamber with a wet mixture of it.
> As an apprentice, It was often my job to prepare it.
>=3D20
>>=3D20
>> Is it possible that you are referring to "rice straw ash"...since this
>> would be an entirely different matter?
>> I had a bag of this stuff years ago, burned it, and used the ash for a
>> glaze similar to Nuka. It was terrific.
>>=3D20
>=3D20
> Rice hull ash is used in Nuka glaze. Warabai/Rice Straw ash, is used in
> base glazes.
>=3D20
> I have had good luck using this glaze (to get more variation [drama],
> substitute woodash for the whiting or half of the whiting):
>=3D20
> *Phil Roger's Synthetic Nuka
>=3D20
> Potspar 35.6
> Whiting 21.8
> Talc 2
> Bone Ash 2
> Ball Clay 5.9
> Flint 29.7
> ferro3134 3 (I have subbed wood ash) *
>=3D20
> See photo here: Nuka over
> Tenmoku.=3D
jpg>
> http://images21.fotki.com/v760/photos/1/199764/814063/AUT_0020-vi.jpg
> >=3D
>=3D20
>=3D20
> --=3D20
> --
> Lee Love in Minneapolis
> http://mingeisota.blogspot.com/
>=3D20
> "Ta tIr na n-=3DC3=3DB3g ar chul an tI=3DE2=3D80=3D94tIr dlainn trina ch=
=3DC3=3DA9ile"=3DE2=3D
=3D80=3D94that is, "The land
> of eternal youth is behind the house, a beautiful land fluent within
> itself." -- John O'Donohue
Frances Howard on wed 4 jan 12
Hi Paul,
Katherine Pleydell Bouverie in England c.1925 did hundreds of different
types of wood and hedgerow ash glaze tests, (like your horsetails) and kep=
t
careful records of each variety. I have often wondered what happened to he=
r
extensive notebooks, whether they were just lost of if they are preserved
somewhere. It's a pity they don't seem to have been published.
There is a book about her, Katherine Pleydell Bouverie a potter's life b=
y
Barley Roscoe, long out of print, which I have never read. which might shed
some light. I don't know whether Nigel Wood ever saw any of them either,
but probably not. I have found several of her pots n the internet but the=
y
are never more explicit than just "wood ash". Which is a pity as she did a
huge amount of work in this area and it just seems to have vanished.. A
great waste. Maybe Steve Mills has more knowledge of all this. I remember
reading somewhere that yes, she did find that horsetails, like grasses, wer=
e
high in silica, but I have forgotten where I found it! It is always a sham=
e
though when such detailed knowledge is lost.
Frances Howard.Original Message-----
From: Paul Herman
Sent: Wednesday, January 04, 2012 11:33 AM
To: Clayart@LSV.CERAMICS.ORG
Subject: Re: Rice Hull Ash
Hello All,
I think almost all grasses produce ash high in silica. A friend up in
NE California uses a grass that grows on his ranch, Great Basin
perennial rye grass, to make his nuka glaze. It's a bunch grass that
gets about 5 or 6 feet tall, native to this area. It makes a nice
white nuka.
There is a plant that grows here at my place called horsetail. It
produces very high silica ash. Using it in a nuke glaze is on my long
list of things to try.
Good glazing,
Paul Herman
Great Basin Pottery
Doyle, California US
www.greatbasinpottery.com/
On Jan 4, 2012, at 6:20 AM, Mike wrote:
> Lee's right. It is called Nuka because that is what nuka is: powdered
> rice hulls. I don't remember the numbers, but I think the rice hulls
> have 90+ percent silica, while rice straw is lower. They make similar
> glazes depending on how much wood ash and feldspar you add. Here, rice
> straw ash is about the most expensive ash you can buy, if you don't
> burn
> your own. For tweaking recipes, I often just sub with pure silica
> because it is way cheaper. If the bulk of the silica is in the form of
> straw, then tweaking the melt with a little silica works out fine.
>
> Also, you don't necessarily need rice straw ash. You could use barley
> straw ash, buckwheat ash, or wheat straw ash to similar effect. Your
> mileage may vary of course.
>
> Mike
>
> Mike
> in Taku, Japan
-----
No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.1901 / Virus Database: 2109/4722 - Release Date: 01/04/12
Lee on wed 4 jan 12
On Wed, Jan 4, 2012 at 9:33 AM, Paul Herman wr=
=3D
ote:
> Hello All,
>
> I think almost all grasses produce ash high in silica. A friend up in
> NE California uses a grass that grows on his ranch, Great Basin
> perennial rye grass, to make his nuka glaze. It's a bunch grass that
> gets about 5 or 6 feet tall, native to this area. It makes a nice
> white nuka.
Breshnehan and students here use wild rice hull ash in
substitution for rice hull ash.
--
=3DA0Lee Love in Minneapolis
http://mingeisota.blogspot.com/
=3DA0"Ta tIr na n-=3DF3g ar chul an tI=3D97tIr dlainn trina ch=3DE9ile"=3D9=
7that is, =3D
"The
land of eternal youth is behind the house, a beautiful land fluent
within itself." -- John O'Donohue
Mike on wed 4 jan 12
That is a whole lotta silica in that recipe, not much flux in there
either, at what temp is it supposed to mature?
Mike
in Taku, Japan
http://karatsupots.com
http://karatsupots.blogspot.com
Workshop in Taku 2012: The Simple Teabowl, May 12 - 18
http://karatsupots.com/workshop2012/2012home.html
http://workshopintaku2012.blogspot.com/
(2012/01/04 9:21), Steve Mills wrote:
> Lee, the recipe I have has only 3 components: Silica 40, Rice Straw Ash 5=
0, Feldspar 60.
> Got this from a (translated) Japanese Glaze website.
>
> ??
>
> Steve M
>
>
> Steve Mills
> Bath
> UK
> Sent from my iPod
>
> On 3 Jan 2012, at 15:08, Lee wrote:
>
>> On Tue, Jan 3, 2012 at 7:02 AM, wrote:
>>
>>> We sometimes use rice hulls under pots as a substitute for wadding and =
it
>>> remains unmelted at cone 12-13. I have done this for years with 100%
>>> success.
>>>
>> It is used in wadding and as insulating refractory for wood kilns.
>> Shimaoka covered the floor of his Yohen chamber with a wet mixture of it=
.
>> As an apprentice, It was often my job to prepare it.
>>
>>> Is it possible that you are referring to "rice straw ash"...since this
>>> would be an entirely different matter?
>>> I had a bag of this stuff years ago, burned it, and used the ash for a
>>> glaze similar to Nuka. It was terrific.
>>>
>> Rice hull ash is used in Nuka glaze. Warabai/Rice Straw ash, is used i=
n
>> base glazes.
>>
>> I have had good luck using this glaze (to get more variation [drama],
>> substitute woodash for the whiting or half of the whiting):
>>
>> *Phil Roger's Synthetic Nuka
>>
>> Potspar 35.6
>> Whiting 21.8
>> Talc 2
>> Bone Ash 2
>> Ball Clay 5.9
>> Flint 29.7
>> ferro3134 3 (I have subbed wood ash) *
>>
>> See photo here: Nuka over
>> Tenmokui.jpg>
>> http://images21.fotki.com/v760/photos/1/199764/814063/AUT_0020-vi.jpg
>> 0>
>>
>>
>> --
>> --
>> Lee Love in Minneapolis
>> http://mingeisota.blogspot.com/
>>
>> "Ta tIr na n-=C3=B3g ar chul an tI=E2EUR"tIr dlainn trina ch=C3=A9ile"=
=E2EUR"that is, "The land
>> of eternal youth is behind the house, a beautiful land fluent within
>> itself." -- John O'Donohue
Alice DeLisle on thu 5 jan 12
The original post on this subject asked for a source of rice hulls =3D
closer to Florida than California. Rice is also grown in LA, AR, MO, TX =
=3D
and there are rice mills in those area, all closer to FL. Check out =3D
these sites and you might find some rice mills that would be willing to =3D
help you.
=3D
http://www.usarice.com/index.php?option=3D3Dcom_content&view=3D3Darticle&id=
=3D3D=3D
139&Itemid=3D3D441
http://www.usarice.com/
Alice DeLisle
wanderland@att.net
http://www.etsy.com/shop/IslandTextures
http://www.flickr.com/photos/alice_delisle/
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