Fort Pottery Company - clays, pottery supplies, and equipment

Over 1500 quality clay and ceramic products for hobbyists, teachers, and potters.

FAQ

Glaze Safety Key

Use this key as a guide to safety information for individual glazes and underglazes above. Caution: None of these products should be taken internally. They contain ingredients not suitable for ingestion or inhalation. Note: In order for glazes labeled (1) (2) or (5) to be dinnerware safe, they must be fired to recommended firing temperature. Read labels on glaze containers for more information.

(1) Non-Toxic. Can be used safely by everyone. Dinnerware safe if fired properly.
(2) Contains some heavy metals. Can be safely used by people who are able to read, understand, and follow suggested safety precautions for handling these materials. May be dinnerware safe if fired properly.
(3) May invite bacterial growth due to the soft or crackle nature of the glaze. Not dinnerware safe.
(4) Contains lead and/or cadmium. Not dinnerware safe.
(5) Contains encapsulated cadmium. Dinnerware safe if fired properly.