How do I post cure a Mold? Monica P. March 03, 2020 14:36 Place Mold in the oven at 150*F for 2 to 4 hours. Related articles What can I use as a release agent for molds Which Mold Making Product would you recommend for making small molds Are any of your Mold Making Products food safe? How do I fix my tacky and gooey surface? Comments 0 comments Article is closed for comments.