Most potters don’t give much thought to kiln wash and just use the recipe they used when they first learned … Read More
Tag: alumina hydrate
Al(OH)3—alumina source, rarely used in claybodies or glazes, because all needed alumina comes from clay and feldspar. Used primarily for shelf wash and wadding—better adhesion and suspension than aluminum oxide (Al2O3). Small additions increase viscosity of glaze melt. Should not be used as matting agent in functional glazes—produces immature glaze. Source: Clay: A Studio Handbook.
Kiln shelf maintenance is a much hated but very necessary part of having a kiln. Neglected kiln shelves can result … Read More