On 23-Dec-98, WRapf wrote: >Vinegar does work (about 80% of the time). As does Acetic acid. What an >acid does is reduce the amount of shrinkage that occurs as the clay dries. >This is often enough to prevent a cracking when repairing a chip off a >greenware piece. At school, because I never seem to have Vinegar, we use >photographic stop bath. Handles can be replaced, chips placed back, and >cracks filled with a clay slip made from moist clay and an acid. I don't
know >why it doesn't always work, but we've had overall success with the process
for >the 25 years I've been teaching pottery.
Never fails for me.
===W=W=== Give a Hoot! Martin