Quadaxial 1 - Frit 644, Boric Acid, Borax, Frit 5301

This Quadaxial uses Frit 644, Boric Acid, Borax, and Frit 5301 as the 4 corner plots. You can see, based on the char,t what percentages of each material were used in relation to the fired samples. The samples all contain 5% bentonite and 3% copper carbonate as a standard for plasticity and color reaction.