High Fire Underglazes

AMACO has a variety of Cone 5- 6 glazes that showcase a range of ceramic surfaces.

Cone 5 = 1186°C (at 60°C/hour for the final 100°C of firing) / 2167°F ( at 108°F/hour in the final 200°F of firing)

Cone 6 = 1222°C (at 60°C/hour for the final 100°C of firing) / 2232°F ( at 108°F/hour in the final 200°F of firing)