Epoxy Resin: Flammability, Heat Resistance, and Safety Precautions

Nick Shushan
By Nick Shusan , Epoxy Expert and the CEO of NYC Epoxy Flooring.

December 8, 2022

Yes, epoxy resin can be flammable, especially when it is in its liquid form before it has fully cured. It is always important to follow the manufacturer’s instructions for working with epoxy resin and to take proper safety precautions, such as working in a well-ventilated area and avoiding open flames. Once the epoxy resin has fully cured, it is much less flammable and is generally considered to be safe to use in most applications.

Epoxy Resin: Flammability, Heat Resistance, and Safety Precautions


What happens if epoxy gets too hot?

If epoxy resin gets too hot, it can break down and lose its strength and durability. In extreme cases, it can even catch fire. This is why it is important to avoid exposing epoxy resin to high temperatures, such as by placing it near a heat source or in direct sunlight. The manufacturer’s instructions will typically provide guidance on the safe handling and use of epoxy resin, including any temperature limitations.


Does Epoxy Catch Fire?

As with any material, epoxy resin can catch fire if it is exposed to an open flame or other heat source that is hot enough. However, once epoxy resin has fully cured, it is much less flammable and is generally considered to be safe to use in most applications. It is always important to follow the manufacturer’s instructions for working with epoxy resin and to take proper safety precautions, such as working in a well-ventilated area and avoiding open flames.


How Hot Can Epoxy Withstand?


The heat resistance of epoxy resin can vary depending on the specific type of epoxy and the conditions it is exposed to. In general, epoxy resin can withstand relatively high temperatures, but it is always important to check the manufacturer’s instructions for specific guidance. Some types of epoxy resin can withstand temperatures up to 150°C (302°F) or even higher, while others may be less heat-resistant. It is always best to use epoxy resin within the temperature range recommended by the manufacturer to ensure that it retains its strength and durability.