Glazes - Theory and Chemistry (31)

Featured Discussions

Testing Glazes for Durability, Fit, and Toxicity on Functional Ware

Testing glaze toxicity, fit, and durability can be a two tiered process. You can run a number of tests at home with very limited equipment…

Started by Liz GamelinLatest Reply

^6 Flameware - Clay Body Recipe

I have not found a ^6 Flameware Clay Recipe so I'm trying to adjust ^9 flameware recipes. Ron Propst's flameware clay body recipe (below) h…

Started by Norm StuartLatest Reply

Pyrophyllite - Pyrax

Does anyone have experience using pyrophyllite? http://digitalfire.com/4sight/material/pyrophyllite_1167.html It's an aluminum silicate us…

Started by Norm StuartLatest Reply

Discussions Replies Latest Activity

^6 oil spot MFA thesis

 attached is a Masters thesis on cone 6 oil spot glazes which is very thorough and produces wonderful results. I corresponded with the auth…

Started by Lawrence Weathers

18 Jun 11
Reply by Joseph Fireborn

Light Rutile Substitute

Has anyone reformulated dark rutile with titanium dioxide and/or other compounds to closely approximate light rutile? The light type had as…

Started by George Lewter

11 Mar 7
Reply by Judith Stoudmann

Soda firing

I know I can't Soda fire in my electric kiln (without ruining it) but is there a simple way to fake a Soda glaze? I plan to test a couple…

Started by Ayjay

8 Jan 2
Reply by Norm Stuart

Naragon White Glaze- Accidental Recipe Modification

I'm going to just open this thread with a disclaimer.  Drinking wine and glaze mixing at the same time do not make good bed fellows.  Be th…

Started by Rosemary Davis

5 Oct 9, 2016
Reply by Rosemary Davis

Pyrophyllite - Pyrax

Does anyone have experience using pyrophyllite? http://digitalfire.com/4sight/material/pyrophyllite_1167.html It's an aluminum silicate us…

Started by Norm Stuart

5 Jul 26, 2016
Reply by Tom Anderson

Recipes from John Britt's "The Complete Guide To Mid-Range Glazes", now in Insight-Live

John Britt has graciously allowed Tony Hansen, creator of Insight, to add the recipes from his book, "The Complete Guide To Mid-Range Glaze…

Started by Lawrence Weathers

6 Oct 6, 2015
Reply by Norm Stuart

Predicted COE (Coefficient of Expansion) - trust your actual results rather than the predicted COE

One of the helpful tips Tony Hansen of Digitalfire has passed on to me is the "calculated thermal coefficient of expansion" in Insight-Live…

Started by Norm Stuart

1 Sep 10, 2015
Reply by Marina Reijsmeijer (Kleierij)

Deflocculant - Sodium Citrate

I wonder if anyone has used Sodium Citrate as a deflocculant? Digitalfire Deflocculants, including Sodium Citrate At $5 per pound it's as i…

Started by Norm Stuart

2 Jul 3, 2015
Reply by Norm Stuart

Copper Sulphate - what' it good for?

Hi all, I was working on my shopping list for the local ceramics supplies store and saw Copper Sulphate listed under coloring oxides.  It…

Started by Chantay Poulsen

4 May 15, 2015
Reply by Marina Reijsmeijer (Kleierij)

Can I use porcelain slip on my stoneware body?

I work with a tan cone 6 stoneware clay body,(Trinity cone 6), and I am wanting to layer on a white basic slip over my clay body in differe…

Started by juli long

8 Apr 22, 2015
Reply by juli long

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Use These Links to Support Us

Members have had great things to say about John Britt's new book, Mid-Range Glazes. Click the image to buy from Amazon.com

Purchase Glazes Cone 6 by Michael Bailey, The Potters Book of Glaze Recipes by Emmanuel Cooper, or Making Marks by Robin Hopper, all available at amazon.comMastering Cone 6 Glazes by John Hesselberth & Ron Roy is now out of print.

Harbor Freight is a great place to find unbeatable prices for better HVLP spray guns with stainless steel parts and serviceable economy models, as well as detail guns, all tested by our members for spraying glazes, as well as compressors to power the guns. As yet no one has tested and commented on the remarkably inexpensive air brushes at harbor freight.

The critter siphon gun is a spray alternative that is well liked by some of our members, and is available at amazon.

Amazon is also a competitive source for photo light tents for shooting professional quality pictures of your work. They also have the EZ Cube brand favored by several of our members. You might also want to purchase the book Photographing Arts, Crafts and Collectibles . . .

If you are up to creating videos of your work or techniques you might want to invest in a flip video camera

Following are a few scales useful for potters. Your final price could be less or more - things change.

American Weigh Black Blade Digital Scale, 1000g X 0.1g $11.08 

For the non-digitally inclined the old standard Ohaus Triple Pro Mechanical Triple Beam Balance, 2610g x 0.1g, with Tare $169.00

And finally a low cost clone of the OHaus. The Adam Equipment TBB2610T Triple Beam Mechanical Balance With Tare Beam $99.62

ebay is a great alternative for many tools and the equipment used in the ceramics studio - kilns, wheels, extruders, slab rollers are often listed there both new and used.

Tips for Members

If you just want to spout off, it is best accomplished as a blog posting. If you want to get more guidance and ideas from other members, ask a question as a new discussion topic. In the upper right corner of the lists for both types of posting, you will find an "+Add " button. Clicking it will open an editor where you create your posting. 4/16/2014

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