Quick Tip: Specific Gravity of Terra Sigillata
After you have mixed and siphoned terra sigillata, you need to measure its specific gravity. Specific gravity is a measurement … Read More
Tag: suspension
A liquid mix where insoluble particles are distributed throughout without dissolving and may settle out from gravity, as in a glaze or slip. Source: Clay: A Studio Handbook
How to Decorate Pottery Surfaces with Colored Slips in the Bisque State
Slip has many uses in the pottery studio. Most often, slip is used on clay in the green state, but … Read More
The New World of Crystalline Glazes: Developing Beautiful Crystals in Reduction
It used to be thought that crystalline glazes were only possible in an oxidation atmosphere. But as many more potters … Read More
Using Glaze Additives Like CMC Gum to Make Average Glazes Great
Sometimes the glazes we use are good for one purpose, but not so good for another. A glaze might perform … Read More
Using Rare Earth Oxides as Ceramic Colorants to Obtain Intense Colors
Ceramic stains make it possible to create glazes that fire to just about any color of the rainbow. But one … Read More
Techno File: Bentonite
Bentonite is an amazing material, adding plasticity to clay bodies, greatly improving glaze suspension, and helping glazes harden. Properly adding … Read More
Techno File: Terra Sig Experiment
Turning the terra-sigillata making process on it’s head, Tom Anderson has found a way to use temperature to eliminate time, … Read More
In the Studio: Processing Natural Clays
As societies became more complex and businesses grew, clay processing became more and more industrialized. People began to purchase clay … Read More
Techno File: Tenmoku to Tomato Red
Ryan Coppage, PhD and Jenn Wicks
Do you ever wonder how a glaze can completely change color with the adjustment of a single ingredient? Take a … Read More
Building, Packing and Firing Saggars
Ceramic artist Joan Carcia delights in the fact that she never quite knows how each of her saggar-fired vessels will … Read More
