Dry times vary greatly due to the circumstances of the poured area such as temperature, humidity levels, temperature of the product and thickness of the pour.FlowCast: 72 Hours depending on temperature, humidity and thickness. Ideal pouring temperature is 21-27ºC (70-80ºF)UVPoxy: 48 Hours. Ideal pouring temperature is 21-27ºC (70-80ºF)Note: When pouring over 6-9 gallons at a time with casting resin, using fans to aerate the air in the room will help the resins cure better, more consistently & will help prevent any exothermic heat reaction.