Epoxy adhesives are typically characterized by what?

Epoxy adhesives are typically characterized by using heat as a curing agent. This process involves the application of heat to accelerate the curing reaction of the epoxy resin, which helps to achieve stronger bonds and faster setting times. The heat raises the temperature of the mixture, promoting the cross-linking of the epoxy resin and hardener, which is essential for developing the desired mechanical properties and durability.

This characteristic is particularly important in various applications where a strong, heat-resistant bond is critical, such as in the automotive and aerospace industries.

Some epoxy adhesives can also cure at room temperature, but heat curing is a common and highly effective method utilized to enhance their performance. The reliance on heat to achieve optimal curing conditions distinguishes epoxy adhesives from other types of adhesives that may not require heat for curing.