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Low cost glaze materials?



 
 
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  #1  
Old November 6th 04, 03:22 PM
N. Thornton
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Default Low cost glaze materials?

Hi

I'm interested to know what materials could be used for a minimum cost
glaze, for use in Africa. All the other necessities are available, but
I know almost nothing about glazes.

The application is for making glazed floor tiles.


Thanks, NT
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  #2  
Old November 6th 04, 09:24 PM
Slgraber
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certainly experiment, but once i dug a hole to plant a tree and thought the
dirt at the bottom had a very nice look to it. i added a shovel full to a
bucket & added water. at cone 10 i got a classic tan to dark tan brown.
remember that old glaze Albany Slip is dirt from albany, new york before they
built too many houses there...

for a ground breaking cerimony at an old company i worked for, i tried to
collect some dirt from there, and wanted to make a basic vase with the dirt for
fun. THAT dirt looked horrible as a glaze!

i have used plain old ash with nothing else added and got some beautiful
affects though it runs like crazy! i added porcelain (50%) to slow down the
runs and added maybe 5% of green mason stains and had a great deap-dark green
with rock litchen affects that i haven't been able to do again since i didn't
keep notes...

if you're after earth tone floor tiles you might actually already be standing
on your glaze!

see ya

steve


Subject: Low cost glaze materials?
From: (N. Thornton)
Date: 11/6/2004 6:22 AM Pacific Standard Time
Message-id:

Hi

I'm interested to know what materials could be used for a minimum cost
glaze, for use in Africa. All the other necessities are available, but
I know almost nothing about glazes.

The application is for making glazed floor tiles.


Thanks, NT








steve graber
  #3  
Old November 7th 04, 07:07 AM
Brad Sondahl
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I think you'll need to get a book on glazes (or maybe a book like The Potter's
Alternative by Harry Davis or Pioneer Pottery by Michael Cardew about setting up a
pottery in Nigeria both available at Amazon), and you'll have to know what cone
(temp) you're firing to. For something like floor tile, if you didn't mind the
crazing, recycled glass could be useful glaze ingredient, even though it's only
used for special effects in typical glaze work. The glass could be heated in a
fire and dumped in water to shatter, and applied as a rough powder to the tiles, or
if ball milled, possibly mixed with local clay, or wood ash or other types of ash.
Few 1st world potters do enough with local glazes to be useful for you, and even if
they do, the local results don't necessarily transfer to other geography. Steve's
suggestion is a good one, though, everyone should try using their local clays as a
glaze sometimes.

Brad Sondahl
--
For original art, music, pottery, and literature, visit my homepage
http://sondahl.com

To reply to me directly, don't forget to take out the "garbage" from my address.




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  #4  
Old November 7th 04, 11:47 AM
N. Thornton
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(Slgraber) wrote in message ...
certainly experiment, but once i dug a hole to plant a tree and thought the
dirt at the bottom had a very nice look to it. i added a shovel full to a
bucket & added water. at cone 10 i got a classic tan to dark tan brown.
remember that old glaze Albany Slip is dirt from albany, new york before they
built too many houses there...

for a ground breaking cerimony at an old company i worked for, i tried to
collect some dirt from there, and wanted to make a basic vase with the dirt for
fun. THAT dirt looked horrible as a glaze!

i have used plain old ash with nothing else added and got some beautiful
affects though it runs like crazy! i added porcelain (50%) to slow down the
runs and added maybe 5% of green mason stains and had a great deap-dark green
with rock litchen affects that i haven't been able to do again since i didn't
keep notes...

if you're after earth tone floor tiles you might actually already be standing
on your glaze!

see ya

steve


From:
(N. Thornton)

Hi

I'm interested to know what materials could be used for a minimum cost
glaze, for use in Africa. All the other necessities are available, but
I know almost nothing about glazes.

The application is for making glazed floor tiles.


Thanks, NT


Thanks Steve. Further searching led me to ash/clay glaze, your earth
glaze sounds a good idea, and I noticed some mention of washing soda
somewhere too. Light glazes would be preferable to browns. At least I
have enough info now to know what can be done in principle, thanks.

NT
 




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