Brenda Anderson on thu 29 may 03
Great idea. I have plenty of cups, rubber bands but need to find the mixer.
I have just a regular mixer I bought at the dollar store but need the single
one, I guess. Thanks for the info. I will print this out and file in my
"good ideas" book.
Brenda
----- Original Message -----
From: "Catherine White"
To:
Sent: Thursday, May 29, 2003 6:31 PM
Subject: Re: Seiving vs rolling was Re: Website new photos of glaze tests
> I make many, many 100 gram tests.
>
> The easiest way for me is to use the disposable 10 oz. plastic glasses.
> Measure in the 100 grams, then add in a half cup (120 ml) measure of water
> just shy of full which equals 110 ml. I have a little battery-powered,
> thrift-shop, single beater, drink mixer. I whir up a glass of glaze,
rinse
> the mixer in a container of water, then continue on to the next.
>
> Important! Use an indelible marker to label the contents of each.
>
> Cover the cups with the cheapest sandwich bags, not the self sealing ones,
> and add a rubber band (from the daily newspaper). You can see that I'm
> somewhat frugal. Best of all, there's so little glaze mix in the bottoms
> that you can stack the glasses loosely if you're short of space. They
rarely
> dry out, but it's always easy to add a bit more water and whir them again
> with that little mixer.
>
> Catherine in Yuma, AZ
> Forget the losses; exaggerate the wins.
> Remember: forget. Remember: forget.
> (T. Jefferson Parker)
>
> ----- snip-----
> >then thought I would add the colorants for each recipe to each bag as I
> >went along. Is this a good idea? A better one is appreciated.
> =========================================
>
> I would suggest that you use small cups for your mixing. When you're
> mixing small amounts, even leaving a tiny pit of chemical behind in
> the back might sway your results. For this reason, it's always good
> to do your dry mix in the container you'll be wetting it in. After
> it's slaked a bit, you then sieve it.
> www.loisaronow.com
>
>
____________________________________________________________________________
__
> Send postings to clayart@lsv.ceramics.org
>
> You may look at the archives for the list or change your subscription
> settings from http://www.ceramics.org/clayart/
>
> Moderator of the list is Mel Jacobson who may be reached at
melpots@pclink.com.
Carol Tripp on thu 29 may 03
Brenda wrote, in part:
>Question: For my test pieces I have been putting the dry mix in a plastic
>sandwich bag, labeling it then use a roller to get it really fine. Do I
>still need to sieve it because it is rolled to very fine particles. I know
>this is a shortcut but just thought I would ask. I am mixing only 100 gms
>at a time for the testing pieces.
>
Hi Brenda,
I am rather curious as to why you are putting dry mixes in plastic sandwich
bags. Is it because you make up a large batch of one base glaze and then
divide it up for multiple tests? If so, there are several things to think
about; you'll have to work the dry mix really well to get it properly mixed
AND you have to be careful to do the mixing in a non-dusty fashion. (See
Archives for methods.) I have found that it is much easier to make up a
large batch of base glaze using a carefully noted amount of water. That way
you can dip into the bucket of base for smaller tests and you avoid the
dust, and things are well mixed.
Back to your original query; rolling the materials doesn't get you out of
seiving unless you can find a good way to blend a 100gm test sample. Yes, I
know some people never seive anything but when your glaze tests are small,
every gram counts and if you have bits stuck in corners, they never get into
the test and I don't think you'll get anywhere near seeing how the glaze
might be. If you made tests in 500gm amounts and could put them in the
blender, that is different. Things will be well mixed and any "overs and
unders" in the weighing out of materials aren't so crucial. I use 100gm
tests knowing that they can be inaccurate. I'm just using them as a
starting point and I know I must be prepared to be shocked/happy/disgusted
when I make up a larger batch. That's the nature of glaze testing. One
must travel optimistically.
And just what is the big deal about seiving, apart spelling it right? (I had
to ask my son, the ace speller.) It's part of the process. Get a few small
ice cream containers, some silk screen, some scuba diving glue. Cut the
bottom out of the containers and glue on the silk screen; voila, testing
seives. Mine fit right inside the plastic drinks cups I re-mark with the
glaze code each time I use them.
Good testing and best regards,
Carol
Dubai, UAE
A hot wind is blowing in from the Empty Quarter today. Unspeakable. And
Mel writes about his deliciously lush surroundings. I could weep.
_________________________________________________________________
MSN 8 with e-mail virus protection service: 2 months FREE*
http://join.msn.com/?page=features/virus
Lois Ruben Aronow on thu 29 may 03
for anyone who is too lazy to make their own - like ME - I believe it
is Talisman that makes itty bitty sieves in many different mesh sizes.
They are small enough to sit on a mug. I use a nail brush to push to
glaze through. I think they are available through Axner.
I agree that all glazes need to be sieved once wet. I have had
terrible results when I didn't sieve.
************
www.loisaronow.com
=46ine Craft Porcelain and Pottery
***************************************
Lois Ruben Aronow
Modern Porcelain and Tableware
http://www.loisaronow.com=20
Brenda Anderson on thu 29 may 03
Thanks for the info. I have made a couple of seives from info off Clayart
or maybe it was Pottery Illustrated--not sure. I also have some talismans
ordered from Bennett's but for some reason it is taking forever to get here.
Because I am new at mixing my own glazes, I am stumbling along and learning
each day. The process is part of the fun of pottery. Anyway, I am starting
off slow and easy with putting small amts. in the labeled sandwich bags. I
then thought I would add the colorants for each recipe to each bag as I
went along. Is this a good idea? A better one is appreciated.
Brenda
----- Original Message -----
From: "Lois Ruben Aronow"
To:
Sent: Thursday, May 29, 2003 6:50 AM
Subject: Re: Seiving vs rolling was Re: Website new photos of glaze tests
for anyone who is too lazy to make their own - like ME - I believe it
is Talisman that makes itty bitty sieves in many different mesh sizes.
They are small enough to sit on a mug. I use a nail brush to push to
glaze through. I think they are available through Axner.
I agree that all glazes need to be sieved once wet. I have had
terrible results when I didn't sieve.
************
www.loisaronow.com
Fine Craft Porcelain and Pottery
***************************************
Lois Ruben Aronow
Modern Porcelain and Tableware
http://www.loisaronow.com
____________________________________________________________________________
__
Send postings to clayart@lsv.ceramics.org
You may look at the archives for the list or change your subscription
settings from http://www.ceramics.org/clayart/
Moderator of the list is Mel Jacobson who may be reached at
melpots@pclink.com.
Lois Ruben Aronow on thu 29 may 03
>Because I am new at mixing my own glazes, I am stumbling along and =
learning
>each day. The process is part of the fun of pottery. Anyway, I am =
starting
>off slow and easy with putting small amts. in the labeled sandwich =
bags. I
>then thought I would add the colorants for each recipe to each bag as I
>went along. Is this a good idea? A better one is appreciated.
I agree - the learning is the best part!
I would suggest that you use small cups for your mixing. When you're
mixing small amounts, even leaving a tiny pit of chemical behind in
the back might sway your results. For this reason, it's always good
to do your dry mix in the container you'll be wetting it in. After
it's slaked a bit, you then sieve it.
I'm sure others will chime in with fine suggestions. Good luck on
your new journey!
************
www.loisaronow.com
=46ine Craft Porcelain and Pottery
***************************************
Lois Ruben Aronow
Modern Porcelain and Tableware
http://www.loisaronow.com=20
Catherine White on thu 29 may 03
I make many, many 100 gram tests.
The easiest way for me is to use the disposable 10 oz. plastic glasses.
Measure in the 100 grams, then add in a half cup (120 ml) measure of water
just shy of full which equals 110 ml. I have a little battery-powered,
thrift-shop, single beater, drink mixer. I whir up a glass of glaze, rinse
the mixer in a container of water, then continue on to the next.
Important! Use an indelible marker to label the contents of each.
Cover the cups with the cheapest sandwich bags, not the self sealing ones,
and add a rubber band (from the daily newspaper). You can see that I'm
somewhat frugal. Best of all, there's so little glaze mix in the bottoms
that you can stack the glasses loosely if you're short of space. They rarely
dry out, but it's always easy to add a bit more water and whir them again
with that little mixer.
Catherine in Yuma, AZ
Forget the losses; exaggerate the wins.
Remember: forget. Remember: forget.
(T. Jefferson Parker)
----- snip-----
>then thought I would add the colorants for each recipe to each bag as I
>went along. Is this a good idea? A better one is appreciated.
=========================================
I would suggest that you use small cups for your mixing. When you're
mixing small amounts, even leaving a tiny pit of chemical behind in
the back might sway your results. For this reason, it's always good
to do your dry mix in the container you'll be wetting it in. After
it's slaked a bit, you then sieve it.
www.loisaronow.com
Brenda Anderson on thu 29 may 03
I had to look up this Clayarter and put a name with a face and all the good
info she has given me.
You must see her website, her work and her tatoo. Talk about a mother's
love------------
Brenda
Daughter of Clay
----- Original Message -----
From: "Lois Ruben Aronow"
To:
Sent: Thursday, May 29, 2003 4:26 PM
Subject: Re: Seiving vs rolling was Re: Website new photos of glaze tests
>Because I am new at mixing my own glazes, I am stumbling along and learning
>each day. The process is part of the fun of pottery. Anyway, I am
starting
>off slow and easy with putting small amts. in the labeled sandwich bags.
I
>then thought I would add the colorants for each recipe to each bag as I
>went along. Is this a good idea? A better one is appreciated.
I agree - the learning is the best part!
I would suggest that you use small cups for your mixing. When you're
mixing small amounts, even leaving a tiny pit of chemical behind in
the back might sway your results. For this reason, it's always good
to do your dry mix in the container you'll be wetting it in. After
it's slaked a bit, you then sieve it.
I'm sure others will chime in with fine suggestions. Good luck on
your new journey!
************
www.loisaronow.com
Fine Craft Porcelain and Pottery
***************************************
Lois Ruben Aronow
Modern Porcelain and Tableware
http://www.loisaronow.com
____________________________________________________________________________
__
Send postings to clayart@lsv.ceramics.org
You may look at the archives for the list or change your subscription
settings from http://www.ceramics.org/clayart/
Moderator of the list is Mel Jacobson who may be reached at
melpots@pclink.com.
william schran on fri 30 may 03
Brenda wrote: off slow and easy with putting small amts. in the labeled sandwich bags. I
then thought I would add the colorants for each recipe to each bag as I
went along. Is this a good idea? >
Yes. Add the colorants to each base glaze batch. Start introducing to
water in the ratio of
100 grams dry to 1/4 cup water. Sieve twice, once through 30-50 mesh
screen, then again through 60-80 mesh screen to get the colorant
dispersed well. OR.... we just throw our tests in a blender - 30
seconds on puree! Be sure to never use the blender for food again.
Bill
Gary Elfring on tue 3 jun 03
BA> Because I am new at mixing my own glazes, I am stumbling along and learning
BA> each day. The process is part of the fun of pottery. Anyway, I am starting
BA> off slow and easy with putting small amts. in the labeled sandwich bags. I
BA> then thought I would add the colorants for each recipe to each bag as I
BA> went along. Is this a good idea? A better one is appreciated.
Sorry I'm a bit late, but there is a much better way to do this.
(Easier, more accurate, etc.)
If you need four 100 gram batches, mix up *one* 400 gram batch. Add
water (I usually add materials to water) and sieve until you have the
right consistency. Now get a graduated cylinder and and measure how
many ml of glaze you have. Divide this by 4 and then measure out your
4 samples in the cylinder. You can measure liquids and divide them up
much faster than weighting and mixing.
I often do color tests- I might make 5 or 6 100 gram batches of 4%
colorant mixtures and one 200 or 300 gram batch with no colorants. Then you
can use a graduated cylinder to easily mix the base and the colored
versions to get 1%, 2%, 3%, or 4% samples.
--
Best regards,
Gary mailto:info@elfring.com
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