A Bisque Firing Schedule to Help Prevent Glaze Faults
When you pull a piece out of the kiln and there is a glaze defect on it, you might think there … Read More
Tag: red iron oxide
Fe2O3—powdered rust—refractory red in oxidation, converts to black iron (flux) in reduction and/or high-fire. Low quantities in clear glaze produces celadon-green—high quantities produce temmoku black or saturated iron red—powerful flux. More than 5% in a glaze significantly increases fluxing in reduction. Source: Clay: A Studio Handbook
Hare’s Fur and Oil Spot Glazes
Oil spot and hare’s fur glazes are beautiful and fascinating. In a nutshell, they are high-iron glazes that are applied … Read More
Everything You Need to Know About Cobalt Blue Glaze Recipes
Cobalt blue glaze recipes are in most potters’ repertoires because they produce beautiful blue glazes. And what’s not to love … Read More
Crazy Beautiful Crazing: Uncovering the Mysteries of Snowflake Crackle Glazes
I have been messing around with crazing as a deliberate decorative effect lately. Though it is technically a glaze defect, … 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
Testing Cone 5 Glazes and Colorants to Expand Your Palette
Whether you work with cone 5 glazes or do high fire reduction, there are so many variables involved in ceramic glazes. These … Read More
Understanding Glaze and Clay Materials
Today, we live in an age of super abundance of ceramic raw materials. Innumerable clays and glaze materials offer us … Read More
Techno File: Cones in the Kiln
Learn more from the cones you load into each firing than how hot your kiln got. Bloated, leaning, and deformed … Read More
Elena Renker: New Zealand Studio Potter
German-born, New Zealand potter Elena Renker makes her work and fires it in the wood kiln located on her 20-acre … Read More
An Oxidized Bisque Firing
Many clay and glaze faults in ceramic wares are caused by incomplete burnout (oxidation) of carbon and sulfur during the … Read More
