Ceramic - Pottery Dictionary

by Susan Mussi

BAT WASH - Thin layer of paint to protect kiln shelves.

ca: COBERTA PLAQUES – Revestiment de caolí per a protegir els estants del forn.

es: CUBIERTA PLACAS – Revestimiento de caolín para proteger los estantes del horno.

Bat wash is a coating of refractory powder made up of half flint and half kaolin that is mixed with water and painted onto kiln shelves to prevent wear and the accidental running of glazes from fusing to the shelves.