tag:blogger.com,1999:blog-18297206.post2742074614927917193..comments2023-09-21T04:23:57.464-06:00Comments on Deb Thuman's Blog: Bread Pan ExperimentsDeb Thumanhttp://www.blogger.com/profile/09718210638719983236noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-18297206.post-72938757604172676482010-07-12T06:56:33.527-06:002010-07-12T06:56:33.527-06:00Deb, those air bubbles in the clay are caused by b...Deb, those air bubbles in the clay are caused by bloating of the clay. This can be caused by a couple of things: 1. Raising temperature of the kiln too quickly, and the exterior of the pot gets hard before the gas bubbles in the claybody escape. 2. Organic matter in the claybody burning out, creating gas which is trying to escape during firing. 3. Poor wedging technique trapped air in the clay - not what this looks like (the bubbles are too small).lpskeennoreply@blogger.com