Terra Sigillata 101: How to Make, Apply, and Troubleshoot Terra Sig
Terra sigillata is an ultrarefined clay slip that can give a soft sheen when applied to bone-dry wares and, if … Read More
Tag: specific gravity
The weight or density of a liquid measured in proportion to that of water. A glaze with a specific gravity of 1.2 is 1.2 times as dense as water per unit of measure. See hydrometer. Source: Clay: A Studio Handbook
Techno File: Hard-Panning Glazes
Do you have a glaze that settles into a rock-hard layer on the bottom of the bucket? This annoying phenomenon … Read More
How to Siphon Terra Sigillata
My first exposure to the word siphon was in some old movie in which the outlaw characters were siphoning gas … Read More
How to Make Casting Slip from Your Clay Body
Ready-made casting slip is commercially available in all firing ranges, making it super convenient, but if you were wondering how … 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
In the Studio: High-Fire Terra Sigillata
High-fire terra sigillata? Is this even possible? Yes! Terra sigillatas remain stable from low fire through mid range to high … Read More
Three Helpful Tips for Layering Glazes, Plus Great Glaze Combinations
While applying one single glaze to a piece can be lovely, there are some effects that come only from certain … Read More
Cone 6 Matte Glaze Recipes and Glazing Techniques
I looooove a good old buttery matte glaze surface! Donna Polseno creates beautiful buttery matte surfaces with a lot of … Read More
How to Make a Floating Stick Hydrometer for the Cost of a Milkshake
Getting glazes or casting slip to come out the same from batch to batch is a lot easier if you … Read More
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
