Epoxy Resin Warmer Temperature

One of the most important factors to ensure your epoxy resin cures properly is temperature.

Epoxy Resin Warmer Temperature. During periods of summer heat, a high temperature can accentuate the exothermic curve and cause an overheating. Remember that you are responsible for the environment in which the resin will be exposed, so you need to understand the basics of resin work before undertaking your project. Hence the importance of validating your work techniques and your environment before carrying out your work. Our customer service can assist you and give you recommendations if required.

Is it important to understand that warmer the temperature is the faster the epoxy will cure. Heat will activate the molecules, shorten the pot life and modify the exothermic reaction. For example, if the epoxy is poured at 72F the epoxy might go up to 80-90C and cure properly. If the room temperature is 85F, the exothermic curve will be change. The epoxy is most likely going to climb up to 120-150F or more. This is where the epoxy can actually yellow, crack and shrink. The amount of heat produces depends not only on the room temperature, thickness but also on the system selected.

Epoxy Resin Warmer Temperature

A slow setting epoxy with a slow cure time will normally  generate less heat. In warmer temperatures, a slow-setting epoxy with an extended pot life is preferred to prevent the resin from overheating. This is why we have developed several systems with specific pot life times. All our laboratory tests are carried out at a temperature of 72F/22C. It is therefore important to replicate this environment during your epoxy projects. If the ambient temperature greatly exceeds the recommended temperature, we strongly advise not to cast the resin. It will be better to wait for colder temperatures or as close as possible to 72F/22C.

An air conditioner will help control and maintain a constant temperature of 72F/22C during the entire catalyzation process. Be sure not to blow cold air directly onto the resin. Opposite temperature variations are likely to cause shrinkage.

Also, always make sure the epoxy and containers are stored at 72-74F. Never use epoxy that is already warm and expose to higher temperature. Let the epoxy comeback to 72F before using it. If the epoxy temperature is higher than 72F when mixed and poured, the pot life shortens.