Ceramic - Pottery Dictionary

by Susan Mussi

EXTRUSION - Forcing clay through different objects.

ca: EXTRUSIÓ- Forçar l'argila a través d’un encuny.

es: EXTRUSIÓN - Forzar la arcilla a través de un troquel.

Extrusion is forcing clay through different objects, tubes, wire nets, kitchen utensils, etc., or through a die plate. With these, the clay comes out as a tube in the shape of the die. The dies have a special design and can be hollow or solid. The solid ones are used for applied decoration and to make handles.