Slips, Engobes and Terra Sigillatas - Alfred's Clay Store

Cracking in wet to leather hard applications• Similar problems to glaze fit (but for entirely differentreasons)• Slip shrinks too much - Slip cracks, forming little islandssometimes with curled-up edges– Slip is shrinking too much• Apply when clay is wetter OR…• Remove some bentonite or substitute ball clay with lower shrinking kaolin• Slip doesn’t shrink enough - Slip releases in large sheetsfrom body– Slip is not shrinking enough• Apply when clay is drier OR…• Add finer clays