stud io reference - Ceramic Arts Daily
stud io reference - Ceramic Arts Daily
stud io reference - Ceramic Arts Daily
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<strong>stud</strong><strong>io</strong> <strong>reference</strong> | glazes<br />
Reticulat<strong>io</strong>n glazes form a<br />
group of specialized glazes<br />
that show patterns of heavy<br />
crawling, or reticulat<strong>io</strong>n. The<br />
patterns look similar to lichens or lizard<br />
skin, depending on the glaze base, underglaze<br />
coatings, and firing temperature.<br />
The same glaze may give very different<br />
results at a variety of temperatures.<br />
Putting the reticulat<strong>io</strong>n glazes over a<br />
colored slip allows the top glaze to move<br />
and the visible cracks to be colored between<br />
“islands” of glaze. Any colored slip<br />
will do, but one of the most interesting is<br />
usually black, as it intensifies the color of<br />
the covering glaze.<br />
With reticulat<strong>io</strong>n glazes applied<br />
heavily over the slip and fired at cones<br />
04, 6, and 9-10, and with added colorants,<br />
a wide range of textural possibilities<br />
can be developed. The main<br />
requirement in the glaze is a saturat<strong>io</strong>n<br />
of magnesium carbonate as seen in<br />
the two base glazes below.<br />
Hopper LG #1<br />
Soda Feldspar . . . . . . . . . . . . . . . . . .27 %<br />
Magnesium carbonate . . . . . . . . . . . .28<br />
Ferro frit 3134 . . . . . . . . . . . . . . . . . . .9<br />
Ferro frit 3195 . . . . . . . . . . . . . . . . . . 5<br />
Talc . . . . . . . . . . . . . . . . . . . . . . . . . . 7<br />
Zinc oxide . . . . . . . . . . . . . . . . . . . . . 5<br />
Kaolin . . . . . . . . . . . . . . . . . . . . . . . .19<br />
100 %<br />
Hopper LG #2<br />
Soda Feldspar . . . . . . . . . . . . . . . . . .35 %<br />
Magnesium carbonate . . . . . . . . . . . .25<br />
Ferro frit 3195 . . . . . . . . . . . . . . . . . .10<br />
Talc . . . . . . . . . . . . . . . . . . . . . . . . . .15<br />
Kaolin . . . . . . . . . . . . . . . . . . . . . . . .15<br />
100 %<br />
Excerpted from The <strong>Ceramic</strong> Spectrum<br />
by Robin Hopper.<br />
Key for Colorant Addit<strong>io</strong>ns<br />
b = cobalt carbonate<br />
c = copper carbonate<br />
d = manganese d<strong>io</strong>xide<br />
e = nickel carbonate<br />
h = chromium oxide<br />
u = Commercial Yellow Stain<br />
vg = Commercial Victoria Stain<br />
x = Cerdec/Degussa inclus<strong>io</strong>n<br />
red stain 27496<br />
Key for Firing<br />
6 Ox = cone 6 oxidat<strong>io</strong>n<br />
9 R = cone 9 reduct<strong>io</strong>n<br />
the ceramic spectrum<br />
by robin hopper<br />
The accepted standard for understanding glazes, this book<br />
explores glaze and color making in a hands-on way that<br />
follows the empirical understanding used for thousands<br />
of years. Hopper provides an impressive descript<strong>io</strong>n of his<br />
extensive research into glaze, color, texture, and surface<br />
enrichment. It is the perfect practical complement to any<br />
glaze theory or process of calculat<strong>io</strong>n, including glaze<br />
calculat<strong>io</strong>n software programs.<br />
Softcover | Order code CA79 | ISBN 978-1-57498-302-9 | Price $44.95<br />
FREE shipping when you order online<br />
(US orders only)<br />
866-672-6993<br />
/bookstore<br />
www.ceramicartsdaily.org | Copyright © 2010, <strong>Ceramic</strong> Publicat<strong>io</strong>ns Company | 2010 Buyers Guide to <strong>Ceramic</strong> Supplies | 30
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