Melissa Melan on tue 11 apr 00
Dear ClayArt folks,
I am writing to get some valued input into a project that I am
considering. Since I'm not a regular poster or reader of this newsgroup a
friend has volunteered to forward replies to me via e-mail.
I am planing to make a matched set of dinnerware for myself (for
personal use - not for selling) using commercially available bisqueware.
Yes, I do know how to throw, but to make a matched set of anything would
take me years (I primarily do tile work). I also have never owned a nice
set of dinnerware, mainly because I can't stand the patterns available in
stores. My plan is to purchase the bisqueware (most likely cone 04
earthenware; although info on high fire bisque sources are welcomed) and do
"charcoal sketches" on them using Minnesota Clay's choxils. An alternative
would be Japanese-style brushed designs in black underglaze. I then plan
to glaze with transparent clear glaze. The recommended clear glaze brands
include Laguna EM2134 or Gare NTG9000. I did feel, however, that plain old
clear would be kind of boring and so wanted to add black or brown speckles
to the glaze and/or tint the glaze a pale grey (but not make it opaque in
any way). So my question is....what do I add to the clear glaze to get the
desired effect(s)? I am mostly familiar with working with cone 6 porcelain
so the low fire end of things is a mystery. Also, if a high fire bisque
source is available, this could be done at cone 6 instead. I would still
need to know what to add to the high fire clear glaze to get speckles
and/or tint.
Any and all suggestions are welcome. Thank you in advance for your
help!
========================================================================
Melissa A. Melan
Assistant Professor
Department of Biological Sciences
Duquesne University
Pittsburgh, PA 15282
(412) 396-5565
(412) 396-5907 FAX
http://www.science.duq.edu/snes/biology/faculty/melan.html
=========================================================================
Cindy Strnad on wed 12 apr 00
Melissa,
I know the ceramic store in my nearest city does sell stoneware blanks. I
haven't checked into what, exactly, they offer, but high-fire blanks are out
there. Try asking at the ceramic stores in your area.
As for the speckles you want, I suggest you experiment with granular rutile,
manganese, and rust or iron filings. I haven't tried your experiment, but
this is where I would start. Any of these, I think, would work in low or
high fire.
Cindy Strnad
earthenv@gwtc.net
Earthen Vessels Pottery
RR 1, Box 51
Custer, SD 57730
Mike Gordon on wed 12 apr 00
I would definetly go with the high fire. Low fore will never hold up to
everyday banging around much less the knife cuts for all the steaks!
Mike
friedlover on thu 13 apr 00
FYI, you can buy clear glazes commercially prepared with speckles; Mayco
makes one called specticlear-I have a gallon someone gave me I'll probably
never use if you live anywhere near Chicago.
Rhonda Fried
----- Original Message -----
From: Melissa Melan
To:
Sent: Tuesday, April 11, 2000 11:46 AM
Subject: Additives to clear glazes for tint and/or speckles?
> ----------------------------Original message----------------------------
> Dear ClayArt folks,
>
> I am writing to get some valued input into a project that I am
> considering. Since I'm not a regular poster or reader of this newsgroup a
> friend has volunteered to forward replies to me via e-mail.
>
> I am planing to make a matched set of dinnerware for myself (for
> personal use - not for selling) using commercially available bisqueware.
> Yes, I do know how to throw, but to make a matched set of anything would
> take me years (I primarily do tile work). I also have never owned a nice
> set of dinnerware, mainly because I can't stand the patterns available in
> stores. My plan is to purchase the bisqueware (most likely cone 04
> earthenware; although info on high fire bisque sources are welcomed) and
do
> "charcoal sketches" on them using Minnesota Clay's choxils. An
alternative
> would be Japanese-style brushed designs in black underglaze. I then plan
> to glaze with transparent clear glaze. The recommended clear glaze brands
> include Laguna EM2134 or Gare NTG9000. I did feel, however, that plain
old
> clear would be kind of boring and so wanted to add black or brown speckles
> to the glaze and/or tint the glaze a pale grey (but not make it opaque in
> any way). So my question is....what do I add to the clear glaze to get
the
> desired effect(s)? I am mostly familiar with working with cone 6
porcelain
> so the low fire end of things is a mystery. Also, if a high fire bisque
> source is available, this could be done at cone 6 instead. I would still
> need to know what to add to the high fire clear glaze to get speckles
> and/or tint.
>
> Any and all suggestions are welcome. Thank you in advance for
your
> help!
>
> ========================================================================
>
> Melissa A. Melan
> Assistant Professor
> Department of Biological Sciences
> Duquesne University
> Pittsburgh, PA 15282
> (412) 396-5565
> (412) 396-5907 FAX
> http://www.science.duq.edu/snes/biology/faculty/melan.html
> =========================================================================
NakedClay@aol.com on thu 13 apr 00
Hi Melissa!
An inexpensive additive for speckling glazes at cone 6 is probably right
under your kitchen sink--rusted Brillo or steel wool pads!
Add about a half-pad (rusted preferably) to your glaze mixture. You can crush
the pad with your hands, to get a finer grain.
The unrusted pad strands will also play as a glaze "texturizer." The strands
will most likely hold up at mid-fire, so you'll see some ribbing.
I've also used copper wire, cut into tiny strands. Add a pinch or two of
finely-cut copper wire to your glaze, for a "splash-speckle" effect.
Regardless of whether you add steel wool rust or copper wire to the glaze,
stir the glaze well, before applying to your wares. These additives will
settle to the bottom of your glaze bucket!
Best wishes! Let me know how you fare.
Milton NakedClay@AOL.COM
Yucca Valley, CA
92 degrees and rising, at noon.
Cantello Studios on fri 14 apr 00
Hi Melissa The best way to get speckles in your glaze is to add Granular
Ilmenite. I would start with .50 and do a test. This works good in clay to
just cot your clay up into half inch slabs and dust it over each slab. I
made up a one hole pepper shaker out of a old pile bottle and just shake it
on the clay. Most ceramics stores will carry it Bailey has it 1 800 431
6067 This is not an add for Bailey Its just the first catalog I happen to
pick up as I passed through the glaze room. Chris
-----Original Message-----
From: Ceramic Arts Discussion List [mailto:CLAYART@LSV.UKY.EDU]On Behalf
Of Cindy Strnad
Sent: Wednesday, April 12, 2000 1:47 PM
To: CLAYART@LSV.UKY.EDU
Subject: Re: Additives to clear glazes for tint and/or speckles?
----------------------------Original message----------------------------
Melissa,
I know the ceramic store in my nearest city does sell stoneware blanks. I
haven't checked into what, exactly, they offer, but high-fire blanks are out
there. Try asking at the ceramic stores in your area.
As for the speckles you want, I suggest you experiment with granular rutile,
manganese, and rust or iron filings. I haven't tried your experiment, but
this is where I would start. Any of these, I think, would work in low or
high fire.
Cindy Strnad
earthenv@gwtc.net
Earthen Vessels Pottery
RR 1, Box 51
Custer, SD 57730
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