Unglazed. With eyelet for an easy removal out the furnace after the annealing process. Temperature resistant up to 1350 °C.

Annealing boat
Boat annealing
Burning boat
Melting boat
Boat melting
Annealing boat
Boat annealing
Burning boat
Melting boat
Boat melting
Annealing boat
Boat annealing
Burning boat
Melting boat
Boat melting
Annealing boat
Boat annealing
Burning boat
Melting boat
Boat melting
Annealing boat
Boat annealing
Burning boat
Melting boat
Boat melting