Monthly Tech-Tip | No tracking! No ads! |
The cone 6 G1214M glaze on the left melts well. Can it benefit from a silica addition? Yes. The right adds 20% yet still melts as well, covers better, is more glossy, more resistant to leaching, harder and has a lower thermal expansion.
Oxides | SiO2 - Silicon Dioxide, Silica |
---|---|
Oxides | Al2O3 - Aluminum Oxide, Alumina |
Recipes |
G1214M - Original Cone 6 Base Glossy Glaze
A recipe developed by Tony Hansen in the 1980s. Its was popular because of the simplicity of the recipe and how well it worked with chrome-tin stains. |
Glossary |
Silica:Alumina Ratio
A formula ratio used to evaluate and predict firing properties in ceramic glazes. |
Glossary |
Food Safe
There is an increasing awareness of the food safety of glazes among potters. Be skeptical of claims of food safety from potters who cannot explain or demonstrate why. |
Articles |
G1214M Cone 5-7 20x5 glossy transparent glaze
This is a base transparent glaze recipe developed for cone 6. It is known as the 20x5 or 20 by 5 recipe. It is a simple 5 material at 20% each mix and it makes a good home base from which to rationalize adjustments. |
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