Val's (Cushing) Blue
Ingredients are stated in grams. Source also calls this cobalt blue. Test on tiles; use appropriate ventilation and PPE, avoid inhaling dust, review raw-material safety information, and verify functional or food-contact suitability with fired-glaze testing.
- Cone: 10
- Atmosphere: oxidation
- Surface: matte
- Recipe type: glaze
Ingredients
| Material | % |
|---|---|
| Cornwall Stone | 46 |
| Whiting | 34 |
| EPK Kaolin | 20 |
| Cobalt Carbonate | 2 |