What is a property of elastomers?

Elastomers are a unique class of polymers characterized by their ability to undergo significant deformation under stress and then return to their original shape once the stress is removed. This property, known as elasticity, allows elastomers to be stretched and compressed without permanent deformation.

The structure of elastomers includes long, intertwined molecular chains that can slide past one another when a force is applied. When the force is removed, the chains return to their original positions, leading to the material recovering its initial shape. This elastic behavior is essential in various applications, such as seals, gaskets, and various cushioning or shock-absorbing parts in engineering and automotive industries.

Understanding this property helps differentiate elastomers from other materials that may not possess the ability to revert to their original form after deformation, such as certain plastics or metals.