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On Zero3 porcelain. Between 10 and 15% stain with 2-3% Zirocpax (zircon) added (to prevent bubbling). The firing schedule approached cone 03 (1950F) at 100F/hr for the final 100 degrees, held for 5 minutes, dropped to 1800 and held for 30 minutes.
| Recipes | 
G2931K - Low Fire Fritted Zero3 Transparent Glaze
 A cone 03-02 clear medium-expansio glaze developed from Worthington Clear.  | 
| Glossary | 
Encapsulated Stain
 This is a type of stain manufacture that enables the use of metal oxides (like cadmium) under temperature conditions in which they would normally fail.  | 
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