AMACO - Cosmos Glazes

No special firing needed! Achieve stunning microcrystalline effects straight from the jar with this out-of-this-world Cone 5/6 glaze line. Cosmos glazes create rich, flowing surfaces with depth, movement, and captivating variation—capturing the beauty of crystalline finishes without the extra complexity. Transform your pottery into celestial-inspired pieces that shimmer with galaxy-like brilliance.

Are they Food Safe? Yes, but due to durability, these glazes are not recommended for food surfaces.

These glazes can be fired in a normal medium-speed firing with no special cooling schedule required. To take this glaze to the next level, use a controlled cooling scheduled for increased crystal growth

Pictured results were fired in Oxidation

Glaze Fire To:  Cone 5 = 1186°C / 2167°F * - Cone 6 = 1222°C / 2232°F
Apply to bisqueware fired to Cone 04 = 1063°C / 1945°F *

* Firing temperatures are based on normal (medium speed) firings. Here is more info about cone firing temperature equivalents: Orton Cone Info