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
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
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
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 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
Getting Cool Crystal Effects with Titanium Dioxide Glaze
Titanium dioxide (TiO2) is an opacifier and unlike tin oxide and zircopax, it develops crystals in glazes. Titanium dioxide glazes with … Read More
Throwing in Two Parts
I began making pitchers in two parts around ten years ago. Initially, it was to make these large pots lighter … Read More
Techno File: Titanium Dioxide
Titanium dioxide’s ability to crystallize is what makes it different from other opacifiers. Find what else it can do and … 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
