It’s unusual for a porcelain item to dry uniformly from the top to the bottom. Thinner edges will usually dry faster since there is less clay and more surface area, while thicker sections and areas where pieces have been joined…
Leather-hard porcelain has lost some of its moisture but not as much as bone dry clay. It is firm enough to withstand some handling pressure, but there is still enough moisture left to allow a trimming tool to slice through…
Check a newly made porcelain bowl. Run your fingers around the inside edge near the rim, then down the wall to where it meets the foot. Is the wall near the rim thinner than the wall near the base? Or…
So why is porcelain often less forgiving than stoneware? When you’re using porcelain for the first time, a pot that seems solid a few minutes earlier might start to sag, or a thin edge might lose its line, and a…