HX-Castor Oil™

Oil Based Release For Casting Concrete Into Latex

Castor Oil is an excellent release agent for natural latex molds that are made for pouring cement.  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.


Make a 10% solution by dissolving one pound of castor oil in nine pounds (approximately one gallon) of alcohol.  Brush or spray into mold.  For a release between the rubber mold and plaster back-up shell, simply wipe it on the back of the rubber mold while on the model.  After the rubber is vulcanized, let the alcohol evaporate and then construct your plaster back-up shell.

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ProductSizeNet WeightPrice

HX-Castor Oil

Release agent for natural latex molds that are made for pouring cement
Gallon 7.6 lbs. 5414
5 Gallon 30.4 lbs. 18088

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All Reynolds locations will be closed Friday & Saturday, April 7th - 8th in observance of Easter Weekend. Resuming normal operations on Monday, April 10th.