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blues glaze, glazes

updated sat 20 aug 05

 

dennis mclaughlin on wed 17 aug 05


Greetings,

I recently used a cone 10 reduction fired dark blue glaze but have lost the complete recipe.
The base is 40 custer feldspar
30 flint
20 whiting
10 epk
It had a percentage of iron oxide, light rutile and I believe cobalt carb, does anyone have the percentages for the oxides?
I'm also looking for other stable gloss, semi gloss dark blue cone 10 reduction glazes.
Thanks for your help!
Denny




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Rick Bonomo on thu 18 aug 05


Daniel Rhodes "Clay and Glazes" has a few nice tables for metal oxide =
additions to oxidation and reduction glazes. I'll scan and post as .gif =
files tomorrow, if nobody tells the venerable Daniel-san that I've =
violated his copyright :)

Rick Bonomo
http://ricks-bricks.com/glazerecipes.htm




Date: Wed, 17 Aug 2005 10:53:43 -0700
From: dennis mclaughlin
Subject: Blues glaze, glazes
I recently used a cone 10 reduction fired dark blue glaze but have lost =
the complete recipe.
The base is 40 custer feldspar30 flint20 whiting10 epk
It had a percentage of iron oxide, light rutile and I believe cobalt =
carb, does anyone have the percentages for the oxides?
I'm also looking for other stable gloss, semi gloss dark blue cone 10 =
reduction glazes.
Thanks for your help!
Denny

Rick Bonomo on fri 19 aug 05


These are the tables from Rhodes Book
I cut out a coupla other tables from some unknown book that list the =
effects in oxidation and reduction glazes.
I'll post those on Monday:

Here for single oxide additions: =
http://www.ricks-bricks.com/images/oxides2.jpg

Here for combinations of oxides: =
http://www.ricks-bricks.com/images/oxides1.jpg

Rick Bonomo



Daniel Rhodes "Clay and Glazes" has a few nice tables for metal =
oxide additions to oxidation and reduction glazes. I'll scan and post as =
.gif files tomorrow

Date: Wed, 17 Aug 2005 10:53:43 -0700
From: dennis mclaughlin
Subject: Blues glaze, glazes
I recently used a cone 10 reduction fired dark blue glaze but have =
lost the complete recipe.
The base is 40 custer feldspar30 flint20 whiting10 epk
It had a percentage of iron oxide, light rutile and I believe cobalt =
carb, does anyone have the percentages for the oxides?
I'm also looking for other stable gloss, semi gloss dark blue cone 10 =
reduction glazes.
Thanks for your help!
Denny