Heloisa Nunes on tue 2 may 06
Glaze gurus and fellow clayarters,=20
As you notice from my recent many posts, I am doing some research, and =
experimenting, and reading and trying to come up with good durable =
glazes here in Brazil. I am amazed at how much experimenting it takes, =
and the amount of information I have to go through being chemistry not =
my strong suit...
The good news is that the glazes below where wonderfull, cone 6 =
oxidation at 3 o'clock, Ron Roy's schedule of firing:=20
Faux Shino with Alberta Slip (Shiny coffee with cream color, nice =
variegation of some creamy spots)
Chappell's Floating Blue (shiny nice browns, not much of the blues, =
tough)
Dry Yellow Pumpkin (satin "happy" yellow for decorative pieces, adding =
iron oxide after sieving)
Lana Wilson's Red (quite gorgeous burgundy with variations)
I am still searching for a good fit on a clear that will give me nice =
blues and greens on my functional pieces, and a good satin white for =
functional pieces too.=20
Some time ago, I asked for help with american recipes and I finally came =
across analyses of Frits compared. The table below show them. The =
Numbers below, 096 and 093 are available for us at reasonable prices. =
Does anyone has ideas on how should I go about substituting 3134 and =
3124 for the Brazilian ones 096 and 093?=20
Frita Na2O K2O CaO MgO B2O3 Al2O3 SiO2 =20
American 3134 10,3 20,1 23,1 46,5=20
American 3124 6,3 0,7 14,1 13,7 9,9 55,3=20
American 3195 6,0 11,2 23,0 12,4 47,4=20
=20
Bras. 096 cmf1309 9,5 0,1 9,0 0,1 18,5 5,5 57,3=20
Bras. 093 cmf1300 6,1 5,6 12,2 10,0 66,1=20
I will keep you posted on what is working here for me, and try to put up =
some photos on the internet as soon as I can figure out how.=20
Thank you so much for the support clayart gives, always, and the sharing =
that makes it possible the learning glaze curve fast.=20
Heloisa Nunes,=20
S=E3o Paulo, Brazil
| |
|
