mel jacobson on mon 10 feb 03
a couple of very important things to remember:
know your glaze thickness in the bucket.
keep it the same.
make sure you have some broken pieces of bisque
around. test.
i like to think of glazing as a timing thing...not
a post card, not 11 cents worth. timing.
get an old clock with a sweep second hand. paint it orange. (or green)
set it up near your work area. clip off the hour and minute hands.
dip your test piece into the glaze, start a count.
1 2 3 4 5 6...out.
measure how much glaze is on the bisque.
go back in...
1 2 3 out.
see how much now.
fire your test pieces...mark each one with the seconds in the bucket.
if you want 10 mugs all the same....dip for the same seconds.
a nice heavy milk like glaze will take 6 seconds with cone 08 bisque.
if you bisque to cone 06 you may need 12 seconds.
if you bisque to cone 011, well, it may need only 3 seconds in the
bucket.
here is my standard with rhodes 32. heavy milk.
base glaze, 3 seconds
colored rhodes 1-2 seconds
top coat 3 seconds. never more than total 8 seconds.
timing your dip will always give you a better result.
we glazed all our pots in japan with a sweep second hand method.
hundreds a day.
when fired, you could not tell the difference.
all the same.
i can still here uchida `melsan, 7 seconds...7 seconds, you are
going 9.` whack, whack....metaphor smack with a 2x4. upsidethehead.
try this method. you will be pleased, it becomes second nature.
you soon start to count in your head and do not look at the clock.
1 2 3 4 5...out.
mel
From:
Minnetonka, Minnesota, U.S.A.
web site: my.pclink.com/~melpots
or try: http://www.pclink.com/melpots
new/ http://www.TICK-ATTACK.COM
Lili Krakowski on tue 1 aug 06
"Glaze thickness" means two separate things. It is important to remember
which is which.
1. The thickness of the slop. Whether it is like cream, or like milk.
Every glaze has and "ideal" slop thickness, in my experience glazes made
entirely of non-plastic materials, even with additions of calcium chlorate
and bentonite are used on the "milk" side, and glazes high in clay are used
on the "cream" side. Edouard's test of sticking a finger in the slop is not
recommended these
days when people are told to wear rubber gloves when handling glaze.
However it is an excellent test. The outline of the nail is supposed to
show, but the actual nail not really visible.
2. The thickness of the layer of glaze on the pot. There too there is
fingernail test, scratching through the glaze. Again, in my experience,most
glazes should be in a layer the thickness of uncooked angel hair pasta.
High clay glazes somewhat more.
The only way to get it right is to test each glaze on the body on which it
will be used. Dip the test tile once the whole way, a second time up 2/3
of the way, and a third time, just up 1/3 of the tile.
All the measuring devices recommended sound excellent....but still a trained
eye is needed.
Lili Krakowski
Be of good courage
Edouard Bastarache Inc. on tue 1 aug 06
Lilli,
"Edouard's test of sticking a finger in the slop
is not
recommended thesedays when people are told to wear
rubber gloves when handling glaze."
I meant scratching the dry glaze on the pot using
the fingernail
of the 5th finger, not the glaze slop.
I jokingly meant it was another use of the 5th
finger usually
raised while drinking tea. GRIN !!!
Edouard Bastarache
Le Français Volant
The Flying Frenchman
Sorel-Tracy
Quebec
edouardb@sorel-tracy.qc.ca
www.sorel-tracy.qc.ca/~edouardb/Welcome.html
http://perso.wanadoo.fr/smart2000/index.htm
http://www.pshcanada.com/Toxicology.htm
http://www.flickr.com/photos/potier/172943983/
http://www.flickr.com/photos/potier/172941969/
----- Original Message -----
From: "Lili Krakowski"
To:
Sent: Tuesday, August 01, 2006 11:26 AM
Subject: Glaze thickness
> "Glaze thickness" means two separate things. It
> is important to remember
> which is which.
>
> 1. The thickness of the slop. Whether it is
> like cream, or like milk.
> Every glaze has and "ideal" slop thickness, in
> my experience glazes made
> entirely of non-plastic materials, even with
> additions of calcium chlorate
> and bentonite are used on the "milk" side, and
> glazes high in clay are used
> on the "cream" side. Edouard's test of sticking
> a finger in the slop is not
> recommended these
> days when people are told to wear rubber gloves
> when handling glaze.
> However it is an excellent test. The outline of
> the nail is supposed to
> show, but the actual nail not really visible.
>
> 2. The thickness of the layer of glaze on the
> pot. There too there is
> fingernail test, scratching through the glaze.
> Again, in my experience,most
> glazes should be in a layer the thickness of
> uncooked angel hair pasta.
> High clay glazes somewhat more.
>
> The only way to get it right is to test each
> glaze on the body on which it
> will be used. Dip the test tile once the whole
> way, a second time up 2/3
> of the way, and a third time, just up 1/3 of the
> tile.
>
> All the measuring devices recommended sound
> excellent....but still a trained
> eye is needed.
>
>
>
> Lili Krakowski
> Be of good courage
>
> ______________________________________________________________________________
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>
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>
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> reached at melpots@pclink.com.
>
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