Jo Smith on sun 28 mar 04
What can be added to ^05 glazes to make them flow or dry like commercial =
glazes such as Mayco and Duncan? I decorate tiles using the cuerda-seca =
technique and apply the glazes with accordion glue applicators. Some =
commercial and any that I have mixed dry so quickly that it is difficult =
to get smooth coverage. If this problem can be solved does any one have =
a suggestion for a good lead free base glaze to be used for this =
technique? Thanks...Jo
George Koller on mon 29 mar 04
Jo,
I have used Propelene Glycol to slow drying. A couple of percent by total
weight
goes a long way. I'm no expert, but I do use it and it is reasonably
affordable - can
be purchased from farm supply centers such as fleet farm / farm & fleet etc
for maybe
$12 or so a gallon. (Used to treat horses) CMC, betonite, defloculants
also need to
be understood and experimented with. Also various dispersing agents such as
Triton-X
can also be used to achieve additional effects.
Using floculants is a whole other kind of science. People that really
understand floculants
tend to grow beards, and/or pony tails and sit at mountain tops with a
knowing look.
They will explain floculating and defloculating until your brain is ready to
explode and
you really just want to jump from that said mountain ledge. ...we lose many
glaze hopefuls
that way.
Propolene Glycol seems like good thing for you to know about.
George
stacey ballard on mon 29 mar 04
Hi Jo,
Although I work with all low fire glazes, I don't know what the answer to your question would be. My advice would be to call the companies directly. Their tech. people have always been really helpful. If I can't get through to them, the guy I buy my glazes from, always has some tech. person who can help. I would try the companies directly first.
Stacey Ballard
http://www.basicelements.biz
Jo Smith wrote:
What can be added to ^05 glazes to make them flow or dry like commercial glazes such as Mayco and Duncan? I decorate tiles using the cuerda-seca technique and apply the glazes with accordion glue applicators. Some commercial and any that I have mixed dry so quickly that it is difficult to get smooth coverage. If this problem can be solved does any one have a suggestion for a good lead free base glaze to be used for this technique? Thanks...Jo
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Laurie Kneppel on tue 30 mar 04
> George wrote:
> Using floculants is a whole other kind of science. People that really
> understand floculants
> tend to grow beards, and/or pony tails and sit at mountain tops with a
> knowing look.
> They will explain floculating and defloculating until your brain is
> ready to
> explode ...
Even though I don't totally understand how they work, I know what they
do. So last Fall when I took a tour of our City's new water treatment
plant (of the drinking variety, not the "other") and the engineer was
explaining that they added a flocculant to the water at such and such a
stage in the treatment process I actually knew what he was talking
about and what it did!
See, you never know when your clay knowledge might come in handy when
you least expect it! You can surprise engineers that "the public" even
knows about such things.
Laurie
Sacramento, CA
- where they miraculously turn "riverine green" water into something
clear that you can drink -
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