Castor oil is an excellent release agent for natural latex for natural latex molds that are made for pouring cement. Cementex Castor Oil also has a rejuvenating effect upon natural latex and will usually bring it back to its natural consistency after it has been repeatedly used.Castor oil is an excellent release agent for natural latex molds that are made for pouring cement. Cementex Castor Oil also has a rejuvenating effect upon natural latex and will usually bring it back to its natural consistency after it has been repeatedly used.

Castor Oil is also a release agent between a natural latex mold and a plaster back-up shell.