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Conquer the Glaze Dragon With Digitalfire INSIGHT Glaze Chemistry Software

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Focused on ceramic glaze chemistry calculations.

Download: Windows (2014-8d), OSX (2014-8d), Linux (2014-8d)


Test, Document, Learn, Repeat in your account at insight-live.com

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Tony Hansen's Thousand-Post TimeLine

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What is the secret to cool and functional clay bodies and glazes?

The secret to cool and functional bodies and glazes is a lot of testing. The secret to know what to test is material and chemistry knowledge. The secret to learning from testing is documentation. The place to document is an account at insight-live.com.

Thursday 21st May 2015

Is this your record keeping system?

Keeping your valuable notes like this? Recipes? Test results? Are your pictures lost in a cellphone with no keywords or connections to anything? If you test and develop you need to do things a book cannot do. Like link recipes to each other and other things like pictures and firing schedules. You ... more

Saturday 20th September 2014

Manually programming a typical electric hobby kiln electronic controller

Each prompt is two pictures here, they alternate between prompt and value every second (when not changing a value I just press Enter). I start by pressing the Enter Program button (under the Start/Stop button). It asks which program (I press Enter to accept 2). Then it asks how many segments (I ... more

Wednesday 20th May 2015

My first zircopax kiln shelf passed with flying colors

It is 5 mm thick (compared to the 17mm of the cordierite one). It weighs 650 grams (vs. 1700 grams). I used it in a cone 4 firing. It seems really strong. It is made from a plastic body having the recipe 80% Zircopax Plus, 16.5% 60-80 Molochite grog and 3.5% Veegum T. The body is plastic and easy to ... more

Thursday 21st May 2015

Single fire glazing done wrong

The cone 6 porcelain mug on the left was successfully green glazed by first pouring the inside and allowing that to dry thoroughly. The lip was then waxed and excess glaze that went over it was trimmed off. Finally, the outside was glazed by dipping the rim and then turning it over and dipping down ... more

Thursday 21st May 2015

How much silica can some glazes accept?

G2922B is a cone 6 clear glaze that started as a well-known recipe "Perkins Studio Clear". We substituted Gerstley Borate with a frit (while maintaining the chemistry) and then noted that the glaze was highly fluid. Since I wanted to keep its thermal expansion as low as possible, I added 10% silica. ... more

Thursday 21st May 2015

Could oxidation porcelain look like reduction blue porcelain?

These clear glazed porcelain mugs are fired at cone 6. The one on the right has 0.2% Mason 6336 stain added to to G2926B base glaze.

Tuesday 24th March 2015

Why is the clay blistering on this figurine?

This is an admirable first effort by a budding artist. They used a built-in cone 6 program on an electronic controller equipped electric kiln. But it is over fired. How do we know that? To the right are fired test bars of this clay, they go from cone 4 (top) to cone 8 (bottom). The data sheet of ... more

Tuesday 19th May 2015

What would 10% zircon do in a cone 10R dolomite matte?

Left: An example of G2571A cone 10R magnesia matte. Right: with 10% added zircopax (zirconium silicate). The zircopax version is a very bright pasty white compared to the original.

Wednesday 3rd April 2013

The action of Zircopax vs Tin Oxide at cone 10R

On Plainsman H443 iron stoneware in reduction firing. Notice Tin does not work. Also notice that between 7.5 and 10% Zircopax provides as much opacity as does 15% (Zircon is very expensive).

Wednesday 28th November 2012


These posts are actually pictures referenced on pages in The Digitalfire Reference Database, thousands of pages of explaining things you need to know to formulate, adjust and troubleshoot traditional ceramic bodies and glazes. It is organized as: Oxides, minerals, materials, recipes, articles, glossary, hazards, library, MDTs for INSIGHT, pictures, properties, firing schedules, significant temperatures, tests and troubleshooting. Level 2 desktop INSIGHT and Insight-Live both interact with it.

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