Post #43462 by RevBambooBen on Thu, Jul 17, 2003 9:01 PM

Try, Casting Plaster. Hydrocal, is a stronger version of it. Look up "United States Gypsum" on the web and they might have a supplier on "Sand Island." ( a little bird landed on my shoulder a few years back and told me the name of the supplier, but I have forgotten since). Dependending on what kind o rubber you have, you might be able to cast cement and or resin too!