How long does it take for Flex Paste to dry?
Once Flex Paste is exposed to air or moisture or humidity it begins to cure, forming a skin within 15 to 30 minutes. Flex Paste FULLY cures within 24-48 hours.
Remember, it is very important to replace the protective foil as much as possible while you are working to keep your unused Flex Paste from drying out.
Here’s everything you need to know about Flex Paste
How do I use Flex Paste 9 oz cartridges?