INVESTMENT CASTING
BLUE 68 Cobalt Aluminate
BLUE68 is a high purity material with a cobalt content of 32.5 to 36.0%. These cobalt levels make this product an ideal choice for investment casting, where grain control of the metal surface is necessary.

| Application | Grain control of casting surface |
| Manufacturer | Shepherd Color |
| Material | Cobalt Aluminate |
| Color | Cobalt blue |